Nov. 15, 1966
`AND FLASHING
`COVER ELEMENTS
`LAMINATED
`AND SEALING MEANS THEREFOR
`2 Sheets-Sheet
`1
`18, 1964
`Filed March
`
`R.I. ELLIOTT ETAL
`
`3,284,967
`
`FIG. 2.
`
`13
`
`8
`
`4
`
`3
`
`FIG. 4.
`
`INVENTORS
`RICHARD I. ELLIOTT
`R. ASHBY
`FREDERICK
`
`BY �J'd�
`�rTORNEY.
`
`Louisiana-Pacific Corporation, Exhibit 1050
`IPR of U.S. Pat. No. 8,474,197
`Page 1
`
`

`

`Nov. 15, 1966 R.1. ELLIOTT ET AL
`
`
`3,284,967
`LAMINATED COVER ELEMENTS AND FLASHING
`
`
`AND SEALING MEANS THEREFOR
`
`Filed March 18, 1964
`
`2 Sheets-Sheet 2
`
`FIG. 4A.
`
`FIG. 4B.
`
`L ]?
`
`32
`
`t3,
`
`FIG. 4C.
`
`:> I
`
`32 t3/
`
`FIG. 5.
`
`38
`
`FIG. 6.
`
`INVENTORS
`RICHARD I. ELLIOTT
`R. ASHBY
`FREDERICK
`BY
`
`r:,���
`
`Louisiana-Pacific Corporation, Exhibit 1050
`IPR of U.S. Pat. No. 8,474,197
`Page 2
`
`

`

`Office 3,284,967
`Patent
`United States
`
`Patented Nov. 15, 1966
`
`1
`2
`as, for example,
`base wood structure
`is a lignoceHulose
`3,284,967
`or equiva­
`with a plastic
`whrch has been coated
`,plywood
`LAMINATED COVER ELEMENTS AND FLASIIlNG
`lent film or a covering
`and fibers.
`of a mixture uf tresin
`AND SEALING MEANS THEREFOR
`it is preferred
`rplywood,
`types of decorative
`With certain
`N.Y.,
`R. Ashby, Carmel,
`and Frederick
`I. Elliott
`Richard
`and that the board as,
`film be transparent
`5 that the plastic
`Corporation,
`New
`Plywood
`to United States
`assignors
`over
`panel have the film extend
`the plywood
`for example,
`of New York
`York, N.Y., a corporation
`Filed Mar. 18, 1964, Ser. No. 352,863
`around to at least a portion
`of
`and also extend
`the edges,
`(Cl. 52-58)
`16 Claims.
`One satisfactory
`film
`of the plywood.
`the back surface
`is concerned broadly
`with a long
`invention
`The ,present
`film manufactured
`by the
`a polyvinylfluoride
`comprises
`e-lements utilized in
`type of structural
`lived or permanent
`"Tedlar."
`duPont Company and sold under the tradename
`as l!"oofing
`and 10
`particulady
`and other structures,
`building
`invention
`to
`of the present
`the concept
`It is also within
`is not only con­
`The invention
`wall sections.
`external
`or phenolic-resin
`fiber
`skins,
`use other types of plastic
`per se, but is espe­
`elements
`cerned with these structural
`by Crown
`manufactured
`such as "Crezon"
`compositions
`wherein
`a
`with a mof or wall section
`concerned
`cially
`paper is also a satisfac-
`Resin impregnated
`Zellerbach.
`are used
`invention
`uf the present
`of the elements
`plurality
`o,r semi-plastic
`cov­
`A satisfactory
`plastic
`tory covering.
`permanent
`wall 15
`a �ubstantially
`to produce
`in combination
`by U.S. Plywood.
`manufactured
`ered board is "Duraply"
`or upkeep such
`no maintenance
`or roof which will require
`understood
`by
`may be readily
`invention
`The present
`and the Jike over a period
`rpainting
`caulking,
`as repairs,
`embodiments
`of the
`illustrating
`to the drawings
`reference
`of many years.
`e-lements
`1 is a side view of two siding
`same. FIGURE
`invention
`is the
`of the present
`r adaptation
`A particula
`FIGURE 2 illustrates
`in some
`to a structure.
`attached
`plywood,
`such as lumber,
`use of a ligno-cellulose
`material,
`20
`of the ptresent
`element
`of one siding
`�etail _the structure
`which
`type elements
`board and similar
`particle
`hardboard,
`the positioning
`o,f roof
`FIGURE 3 illustrates
`mverrtion.
`film and are so
`pfastrc
`with an impervious
`are laminated
`on conventional
`roof
`invention
`of the vresent
`elements
`in combination
`with
`in a wall or roof structure
`fabricated
`FIGURE 4 illustrates
`the
`and trusses.
`of rafters
`framing
`which also have been laminated
`with a
`metal elements
`of the present invention
`of sealing
`method and technique
`almost indestructible
`build-25
`a permanent,
`film to produce
`the edges. FIGURES 4A, 4B and 4C show details
`of
`of the present
`adaptation
`ing structure. Another
`specific
`FIGURE 5 shows the method
`elements.
`the side flashing
`which secures
`seal element,
`is the use of a unique
`invention
`of the elements
`inteTfocking
`a weatherproof
`of securing
`of elements
`to
`a plurality
`seal between
`a very effective
`roof, while
`of a typical
`along the top and in the valley
`roof or other struc-
`weatherproof
`a very desirable
`secure
`util­
`the unique seal element
`P.IGURE 6 shows in detail
`ture.
`30
`strip.
`with the a-Hgnment
`ized in combination
`with an im­
`is concerned
`invention
`Thus the ,present
`to FIGURE 1, studding
`1 or
`specifically
`Refenring
`structure.
`The in­
`laip lignocellulose
`proved se.U-aligning
`are shown vertical­
`structural backing
`elements
`equivalent
`with a ,lap structure
`concerned
`is mure generally
`vention
`2 which, in turn, is posi­
`on base structure
`ly positioned
`or equiva­
`shingles
`sidings,
`clapboard
`which may comp,rise
`11 is also illustrated.
`10. Flooring
`on foundation
`lloned
`or structures
`may 35
`The elements
`elements.
`Jent structural
`3 and 4 are shown affixed to the
`of siding
`Two pieces
`molded material
`and
`be o.f wood or of any composition or
`e-lements
`5 and
`by means of nails or equivalent
`studding
`particularly
`as an
`the like which is used as a covering,
`3 and 4 are
`elements
`6.Affixed to the -rear of the siding
`and other buildings.
`One ob­
`for houses
`outer covering
`7 and 8 resipectively.
`alignment strips
`element
`a siding
`is to provide
`invention
`ject of the present
`in the lower
`a 45° recess
`strip 8 contains
`Alignment
`which is wind and weather
`p:roof and which 40
`or shingle
`into which seats the upper edge of panel 3.
`edge thereof
`the build­
`and the like from entering
`will prevent insects
`comprising
`a
`the first course
`aligning
`Thus, _by carefully
`invention
`is
`of the present
`the siding
`ing. In general,
`the succeeding
`of element� 3 to the structure,
`plurality
`corn stalks),
`a wood •or woody base (bagasse,
`preferably
`and quickly
`and very accurately
`can be readily
`courses
`plywood,
`base such as lumber,
`a lign?-ceUulose
`generaHy
`to the structure.
`nailed
`insulat-
`waterp,roo.f
`chrpboard,
`board,
`particle
`hardboard,
`45
`strip 9 affixed by means of nails
`a starter
`�s illustrated,
`and the
`paper pulp boards,
`i�g boards and impregnated
`which seats
`�2 1s used at the lower end of the first course
`of the present inven­
`lap structure
`like. A very desirable
`mto the lower edge of strip 7 which is also beveled
`45°
`which has a plastic
`or lumber element
`!ion is _a plywood
`,at its lower edge.
`outel!" sur­
`at least on its exposed
`film adhered
`1mpe·rv10us
`one type of ele­
`in some detail
`FIGURE 2 illustrates
`with metal elements
`face. These are used in conjunction
`50
`when a panel
`For example,
`invention.
`ment _of th� present
`with plastic film.
`laminated
`three
`having
`� 1s about 12" x 12" x % " plywood
`or_ sh11:gl
`invention
`of the present
`or lap structure
`The clapboard
`strip be about % "
`that the backing
`1t 1s preferred
`plies,_
`no putty
`nail holes and will require
`will have no exposed
`and about 1 ½" long and have a 45 ° cut at the
`m thickness
`is firmly held at both the top
`The siding
`or other fillers.
`can vary from
`of ,course
`The angle,
`lower edge thereof.
`courses.
`lap between
`and the bottom to give the desired
`55
`edge of the ply
`about 30 to 60°. The angle of the upper'
`of long life,
`a covering
`�ill provide
`The pre�ent structure
`to the angle of the lower edge
`should also be equivalent
`and will require
`a
`appearance,
`and attracl!ve
`of pleasmg
`strip in order to secure
`of the backing
`seat and
`a perfect
`out heretofore
`the
`As pointed
`very low cost of urpkee,p.
`tight weatherproof
`fit.
`resultant
`of ligno;ellu­
`is preferably
`invention
`of the present
`siding
`unit may be
`that the structural
`It is to be understood
`lose_ base as, for eli:ample, plywood,
`which will provide
`and which will effec-60
`of 6' to 20' ,and longer
`and be of a length
`a clapboard
`therewith
`sealmg means associated
`a waterproof
`film 13
`film, i.e.,
`or semi-plastic
`. A .plastic
`shingles
`the overlapping
`between
`seal the joints
`lively
`of panel 4
`along the outer surface
`1s shown extending
`in order to prevent
`a cushion
`to provide
`and/or clapboard
`for a distance
`and upwardly
`around the lower edge thereof
`and the like.
`breakage
`,adaptation
`is to
`A preferred
`along the back edge thereof.
`in the art that when rigid types of
`It �s well-known
`65
`edge and
`extend over the top beveled
`have the covering
`to a building
`particularly
`are applied,
`elements
`covenng
`along the side edges of the panel and along the back sur-
`01' each
`a portion
`whereby
`they must overlap,
`structure,
`of from about¼" to 1"
`distance
`face for a predetermined
`to provide
`a
`element
`by another
`is covered
`rigid element
`extend
`film or covering
`or more. By having the rplastic
`with which
`The rigid elements
`construction.
`weatherproof
`secured
`to
`are commonly
`is concerned
`this invention
`which edge seats in the
`over the top edge of the !panel,
`types of clips. 70
`?f nails or various
`by mean_s
`structures
`strip of the next course,
`r�cess o� the alignment
`a very de.
`invention
`of the present
`s1dmg element
`One pre.ferred
`joint is secured.
`tight weatherproof
`srnable
`
`Louisiana-Pacific Corporation, Exhibit 1050
`IPR of U.S. Pat. No. 8,474,197
`Page 3
`
`

`

`3,284,967
`
`4
`3
`dimensions so that the lower edge 45 cover the complete
`
`
`
`
`
`It is also within the concept of the present invention to
`taper ,of panel 40. It is also preferred that it be in one
`
`
`
`
`use alignment stri>ps which may comprise corrosion re­
`
`
`
`
`piece and that its length extend the entire length of the
`sistant
`
`
`
`metals. Under certain circumstances, it may be de­
`
`laminated plywood board. The width of the upper side
`sirable to provide weep holes in 14 and 15, particularly
`
`
`
`
`5 46 may be from ¼" to 3" as for example about ½ ".
`
`the lower starter strip 9. However, if sheathing is used
`
`
`
`
`This resilient or flexible seal member bas a bead structure
`
`
`on top of the stud, it is within the concept of the present
`
`47 ,at the back edge of the upper side of a diameter in
`
`
`invention to provide weep boles as required.
`about ½6".
`the range from about ¼" to½" as for example
`
`
`Referring specificaJly to FIGURE 3, the use of a plu­
`
`
`This seal or gasket 43 is stapled to the lower panel
`
`
`of the present invention as a
`
`rality of the board elements
`
`
`
`Theat the factory. 10 on the beveled edge, preferably
`roof structure is shown. Units 16, 17 and 18 are supported
`
`
`
`
`gasket may be of plastic such as neoprene etc., but is
`
`
`and sealed by rafter 24 and truss 19 ,and are interlocked
`
`
`
`
`preferably of extruded formed rubber. The bead may
`
`as described by means of alignment
`strip 20 on the under­
`
`be solid or hollow and may be of any geometrical con­
`
`
`of side of unit 16 and alignment strip 21 on the underside
`
`This unique gasket makes the roof of supe-
`figuration.
`
`
`unit 17. Two seals which will hereinafter be more specifi­
`
`
`15 rior construction and is very effective in weatherproofing
`
`
`
`between the . cally described 22 and 23 are positioned
`
`the roof and for extending the life of the roof.
`
`
`alignment strip 20 and the upper tapered edge of unit 17
`
`The present invention may be more fully understood
`
`
`
`
`
`and between alignment strip 21 and the upper tapered edge
`
`
`
`by the following ,examples illustrating the same.
`
`of unit 18. These seals which may be rubber or other type
`
`
`
`
`of plastic, or soft material, give the overall structure a
`Example 1
`
`
`
`tightness and flexibility which is extremely desirable.
`20
`
`FIGURE 4 is an extension of FIGURE 3 ,and similar
`Panels of the present invention were prepared as fol­
`
`
`
`
`
`
`
`
`
`
`elements are similarly numbered. FIGURE 4 shows the lows: white Tedlar film (0.002") was rotary laminated
`
`method of weatherproofing the ends of the units or roof
`
`
`
`to % " exterior A.C. Douglas fir plywood and then fab­
`
`
`
`elements side flashing boards along rafter 24. Metallic
`
`
`
`
`
`ricated to self-aligning exterior siding design. The back­
`
`
`alu-25
`especia.Jly 25 and 26, prefer.ably aluminum elements,
`
`
`
`
`
`ing strip was attached with phenol resorcinol glue and gal­
`
`
`
`minum elements laminated with a similar film as that de­
`
`
`
`long edge of the siding vanized staples 9" O.C. Exposed
`
`
`
`
`scribed are utilized. These elements are of channel con­
`
`
`panel was encapsulated with white Tedlar film (0.002"
`
`
`struction where the angle between the respectiv
`
`e planes is
`thick).
`
`
`about 90°. Their length is preferably about the width of
`These panels were placed in a sweat box where the in­
`
`
`
`
`
`the laminated plywood roofing boards. It is to be noted 30
`
`
`
`
`terior atmosphere was 100% relative humidity and 131 °
`
`
`under the that the upper end of element 25 se,ats snugly
`
`
`F.with ambient room conditions on the siding exterior.
`
`
`lower edge of laminated board 16. The upper end of
`There was no change after 48 days exposure.
`
`
`
`of laminated under the lower side element 26 seats snugly
`
`
`The panels wer,e treated with boiling water. No
`board 17. Also the lower end of 25 seats over the upper
`change after 1000 hours.
`
`sides of 35
`
`of the respective end of element 26. The widths
`The panels were placed in a fog cabinet and exposed
`
`
`
`
`
`but are in the elements 25 and 26 may vary appreciably
`
`
`in an enclosure at 100% relative humidity and 120°
`
`
`range from ,about ¾" to 2" to 4", as for example ,about
`F.for 120 days. There was no change noted.
`
`1". It is preferred that the side which lays ,over the rafter
`
`
`
`
`Panels were subjected to cyclic soak-freeze-thaw where­
`be tapered,
`and that the width at the upper end be Jess
`in they wer,e placed
`
`in tap water at ambient room condi­
`
`than the width at its lower end. It is preferred that the 40
`
`
`tions to equilibrium; frozen at -20° F. for 16 hours and
`
`width of the top side be uniform and be from about ¾"
`
`
`There was no then dried at 150° F. to equilibrium.
`
`
`to 1 ½" as for example about 1 ". It is preferred that the
`
`change after 10 complete cycles.
`
`
`
`upper end of the element which laps over the rafter be
`
`
`Panels were subjected to a Gordon Kline test wherein
`
`¾" to 1 ½" wide as for example 1" wide at the upper
`
`
`they were exposed to 10 cycles of 2 hour boil and 22 hour
`
`end and be of greater width at its lower end, as for ex-45
`dry at 150° F. There was no change noted. The panels
`
`ample from about 1" to 3" as for example about 1%".
`
`were subjected to a water soak test. There was no
`
`
`
`The details of the side flashing elements are shown
`
`
`change after 6 months. Panels were exposed to a cyclic­
`in FIGURES 4A, 4B and 4C. FIGURE 4A is a side view
`
`
`
`beat-humidity test wherein they were exposed to eight
`
`with the showing the upper end of panel 27 interlocked
`
`
`and 100% relative hu­,cycles of 150° F. (equilibrium)
`
`
`
`alignment strip 29 which is on the back side of panel 28. 50
`
`
`midity (equilibrium). No change noted.
`
`
`
`described. as hereinbefore Seal 30 is between the panels
`
`
`Panels were exposed to a peel test. Film will not peel
`
`FIGURE 4B is a back side view of the side flashing ele­
`
`
`
`from wood substrate before and after all accelerated tests.
`
`ment and shows the hook like appendage 32 which seats
`under the lower edge of the panel. FIGURES 4A ,and
`Example 2
`
`4B show how the forward end of the side which laps over 55
`A water test was made on a roof system of the present
`
`
`the roof panel is wider than the rearward end.
`
`
`invention as follows: two roof models were constructed
`
`
`FIGURE 4C is a top view of the flashing element and
`
`
`
`to include details of valley, ridge, soffit and rake as well
`The depth
`shows that the top side is of a uniform width.
`
`
`as butt joints on roof surface. Water was sprayed on
`
`
`
`of the hook 32 is slightly greater than the thickness of
`
`
`
`the roof to simulate normal direction of rain fall on roof.
`
`
`
`the panel; and its length is preferably in the range of about 60
`
`
`
`
`With 20 p.s.i. hose pressure nozzle was placed 12" from
`
`½" to 3 ", as for example about l ".
`
`the joint and in same plane and slowly moved along each
`Referring specifically
`to FIGURE 5 the top metallic
`
`
`joint as well as up and down valley. With 20 p.s.i. hose
`
`
`
`element 35, which is preferably a plastic film laminated
`
`
`
`
`
`pressure, nozzle was placed against joint and valley cover
`,affixed to top
`
`
`
`decorative aluminum element is readily
`
`and procedure 2 was repeated.
`
`
`
`
`laminated panels 36 and 37. The valleys 38 and 39 are 65
`
`
`Investigation of the undeTSide of roofs showed no in­
`
`
`also preferably ,aluminum and the ends of the panels
`
`
`
`
`dication of water penetration or wetting at completion of
`36
`
`
`
`as described with and 37 etc. are rendered weatherproof
`test.
`
`
`,espect to FIGURE 4. Plain ridge seal (Tedlar and metal)
`Thus, the ,structure
`of the present invention permits
`
`
`
`
`may be substituted for vented ridge cover.
`
`
`
`the use of plywood sidings and roofs whereby the same
`
`
`Referring to FIGURE 6 p·anels 40 and 41 are shown 70
`
`are permanently affixed to the structure.
`The structure
`
`
`interlocked by means of alignment strip 42 and the upper
`
`
`
`
`
`permits the use of plywood siding without resulting dent­
`
`
`with a desired tapered edge of panel 40. In accordance
`
`
`ing, splitting and damage. The structure of the present
`
`
`type of structure there is affixed to .the tapered side of
`
`
`
`invention produces walls and roofs of great strength and
`
`
`a panel 40 a V shaped resilient element 43 which secures
`
`
`
`rigidity that insulate the structure against the transfer of
`
`
`
`
`
`,desirable i!.ffei:tiye seJ.11, Jt is preferred that the seal be of 75
`
`either heat or cold.
`
`Louisiana-Pacific Corporation, Exhibit 1050
`IPR of U.S. Pat. No. 8,474,197
`Page 4
`
`

`

`3,284,967
`
`6
`5
`seals overlap end areas of top surface of said panels and
`
`
`
`As pointed out heretofore, the structures of the present
`
`
`
`
`
`
`extend downwards to top surface of roof valley.
`
`
`
`
`
`invention are preferably plywood sidings having adhered
`
`
`
`wherein the faces of9.Structure as defined by claim 7
`
`thereto waterproof and weather-resistant films. These
`
`
`
`
`films may be either transparent in order to have the dec­
`
`
`said metallic side seals are laminated with thin impervious
`
`plastic films.
`
`
`
`orative wood appear therethrough or may be of the type 5
`portions of10.Structure as defined by claim 7 wherein
`
`
`
`
`
`
`which will permanently take paints, enamels, and the like.
`
`
`said seals which overlap said end areas extend into the
`
`
`Other films may be used as, for example, metal foils such
`
`
`areas wherein said panels overlap.
`
`
`
`
`as aluminum and copper foils in a mix as described with
`
`11.Stmcture as defined by claim 8 wherein portions
`
`
`respect to the transparent films.
`
`
`
`of said seals which overlap extend downwardly along the
`
`The method of adhering the film to the board or ply-10
`
`
`lower sides of said panels and partially along end areas of
`
`
`
`wood may be varied appreciably. However, one satis­
`factory method is to prime the face of the panel with a
`
`
`the back surfaces of said panels.
`
`
`
`
`satisfactory adhesive, to flash off the excess solvent and
`
`
`12.A weatherproof lightweight roof structure which
`then to apply the film from a roll or to flow on a resin­
`
`
`
`comprises in combination; (1) a plurality of ligno-cellu­
`the edge of the 15
`fiber mix. In one method of operation
`
`
`
`
`lose panels, said panels characterized by having the top
`
`
`film is coated with adhesive over the area that the film is
`
`
`
`
`edges beveled downwardly toward the back surface of said
`
`applied along the edges and to the rear of the plywood.
`
`
`
`
`panels; (2) thin impervious plastic films laminated to the
`
`
`A very desirable method of applying the film or encap­
`
`
`
`
`face surface of said panels; (3) alignment strips affixed
`
`
`
`sulating the panel is described in copending application
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`to the back surfaces of said panels near the bottom edges
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`Serial No. 228,478, filed October 4, 1962, entitled "Panel 20
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`thereof and substantially parallel to said bottom edges,
`Edge Covering."
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`said alignment strips characterized by the bottom edges
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`Thus, as pointed out heretofore, the panels such as
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`thereof beveled upwardly toward the back surfaces of said
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`shingles and clapboards may be of any desirable size from
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`and wherein said structure is characterized by the
`panel,
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`a 4' x 8' type of siding to a 12' x 12" type shingle. The
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`upper beveled edge of a first panel seating securely behind
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`p!i,es may vary from 3 to 5 and more having a thickness 25
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`the back surface of a second panel and the lower side of
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`of from 1/s to ¾" and greater. The alignment strips will
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`the alignment strip attached to said second panel, whereby
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`also vary depending upon the size of the sheet or panel.
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`the lower area of said second panel will overlap the upper
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`Thus as pointed out heretofore, the invention is specif­
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`area of said first panel; ( 4) a flexible gasket positioned
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`ically concerned with the use of a plurality of 1hese lami­
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`between said beveled edge of said first panel and the align­
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`nated structural elements as, for example, laminated ply-30
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`ment strip of said second panel; (5) a first L configura­
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`wood in conjunction with unique laminated metal seal
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`tion flashing element having one side thereof positioned
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`elements such as laminated aluminum, copper or the like.
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`along the top surface of said first panel and under ex­
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`What is claimed is:
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`tending said second panel, the other side of said first flash­
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`1.A weatherproof, lightweight roof structure which
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`ing element extending along the end of said first panel;
`35
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`comprises in combination, ( 1) a plurality of lignocellu-
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`flashing element having and ( 6) a second L configuration
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`lose panels, (2) thin impervious plastic films laminated
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`one side thereof positioned along the top surface of said
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`to the face surfaces of said panels, said panels charac­
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`second panel and the other side thereof positioned along
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`terized by having the top edges beveled downwards to­
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`the end of said first flashing element associated with said
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`ward the back surfaces, (3) alignment strips affixed to the
`first panel.
`40
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`back surfaces of said panels near the bottom edges thereof
`said panels13.Structure as defined by claim 12 wherein
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`and substantially parallel to said bottom edges, said align­
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`are supported on: (7) rafters and said other sides of said
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`ment strips characterized by the bottom edges thereof
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`flashing elements extend downwardly along said rafters.
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`beveled upwardly toward the back edges of said panels
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`the widths14.Structure as defined by claim 12 wherein
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`and wherein said structure is characterized by the upper
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`of said other sides of said flashing elements increase in
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`beveled side of a first panel seating securely between the 45
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`the direction from said second panel to said first panel.
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`back surface of a second panel and the.lower side of the
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`the thick­15.Structure as defined by claim 12 wherein
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`to safd ·0s�1cond panel, whereby
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`alignment strip attached
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`ness of said flexible gasket is greater between said panels
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`the upper the lower area of said second panel will overlap
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`than between said first panel and said alignment strip as­
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`area of said first panel, and ( 4) a resilient gasket posi­
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`sociated with said second panel.
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`tioned between the beveled top side of said first panel and 50
`said flash­16.Structure as defined by claim 12 wherein
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`the lower beveled side of said alignment strip, said resil­
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`ing elements are laminated with impervious plastic films.
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`by being rigidly attached to said
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`ient gasket characterized
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`first pane-I and having a configuration substantially equiv­
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`References Cited by the Examiner
`
`
`alent to the configuration of said beveled top side.
`UNITED STATES PATENTS
`
`
`2.Structure as defined by daim 1 wherein said panels 55
`1,822,410
`9/1931
`
`Macan ------------52-556 X
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`
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`are plywood panels and wherein said films are laminated
`2,135,811
`11/1938
`
`
`Goslin ------------52-552 X
`
`
`to the lower sides of said panels and to portions of the
`2,248,723
`7/1941
`
`
`Robinson _________ 52-409 X
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`back surfaces adjacent said lower sides.
`2,276,170
`3/1942
`
`
`Elmendorf ________ 52-409 X
`
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`3.Structure as defined by claim 2 wherein said films
`2,358,396
`9/1944
`
`Hogan -------------52-94 X
`
`
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`are laminated to the lateral sides of said panels and to 60
`2,450,562
`10/1948
`
`
`Robinson et al. _______ 52-556
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`
`
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`portions of the back surfaces adjacent said vertical sides.
`2,853,531
`9/1958
`
`
`Cleaver ____________ 117-132
`
`
`said gasket4.Stmcture as defined by claim 1 wherein
`3,131,442
`5/1964
`Persson-Melin
`_____ 52-539 X
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`
`
`is further characterized by the back edge thereof, between
`3,157,965
`11/1964
`
`Watson--------------52-394
`
`
`
`the panels, being of a greater thickness than the remainder
`3,228,164
`1/1966
`
`
`Ettore --------------52-309
`of said gasket.
`
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`the back5.Structure as defined by claim 4 wherein
`65
`FOREIGN PATENTS
`
`edges of said gaskets are of a beaded configuration.
`507,299
`11/1954 Canada.
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`
`said flexible6.Structure as defined by claim 1 wherein
`600,933
`11/1925 France.
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`gasket is selected from the class consisting of rubber, neo­
`821,570
`10/1959 Great Britain.
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`prene, and soft plastic.
`70
`OTHER REFERENCES
`
`
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`7.Structure as defined by claim 5 wherein metallic side
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`seals overlap end areas of the top surfaces of said panels
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`Modern Plastics, October, 1959 (pp. 89-91 and 200).
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`and extend downwardly and below the lateral sides of said
`FRANK L. ABBOTT, Primary Examiner.
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`panels to adjacent roof end fascia.
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`side 75 M. 0. WARNECKE, Assistant Examiner.
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`8.Structure as defined by claim 1 wherein metallic
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`Louisiana-Pacific Corporation, Exhibit 1050
`IPR of U.S. Pat. No. 8,474,197
`Page 5
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