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US4310587A Expired / Lapsed US ⏱️ 0.0 years remaining

Fire resistant vapor barrier

Assignee: THERMOS Co A CORP OF
•
Filing: 1980-03-11
•
Granted: 1982-01-12
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Expires: 2000-03-11
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Abstract

Abstract Disclosed is a fire resistant, flexible vapor barrier sheet comprising a laminate of a metallized substrate sheet and a radiation cured resin layer containing an inorganic pigment. The vapor barrier sheet can be laminated to one side of an insulation bat to provide an attractive, fire resistant insulation product for use in walls of metal buildings and the like.

Inventors

  • 👤 Peter M. Beaupre

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 21:32
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/08; B32B15/00; B32B15/04; B32B15/08; B32B27/18; B32B27/20; B32B27/36; E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; E04B1/941; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; B32B2255/00; B32B2255/20; B32B2255/205; B32B2264/00; B32B2264/10; B32B2264/102; B32B2305/00; B32B2305/72; B32B2307/00; B32B2307/30; B32B2307/306; B32B2307/3065; B32B2307/70; B32B2307/724; B32B2307/7242; B32B2307/7246; B32B2310/00; B32B2310/08; B32B2310/0875; B32B2310/0887; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/24999; Y10T428/249991; Y10T428/25; Y10T428/256; Y10T428/31504; Y10T428/31511; Y10T428/31529; Y10T428/31551; Y10T428/31605; Y10T428/31678; Y10T428/31681; Y10T428/31692; Y10T428/31699; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/152; Y10T442/155; Y10T442/157; Y10T442/159; Y10T442/172; Y10T442/174; Y10T442/20; Y10T442/2631

Claims Analysis

Total Claims: 46
Claim 1
Independent Claim 23 words
A vapor barrier comprising a laminate of a metallized substrate sheet and a continuous layer of radiation cured resin having fire resistant characteristics.
Claim 2
Dependent Claim 23 words
A vapor barrier comprising a laminate of a metallized substrate sheet and a continuous layer of radiation cured resin having fire resistant characteristics.
Claim 3
Dependent Claim 34 words
A vapor barrier as recited in claim 1 wherein said radiation cured resin is a flammable resin and said continuous layer comprises an inorganic pigment in an amount sufficient to impart fire resistance thereto.
Claim 4
Dependent Claim 15 words
A vapor barrier as recited in claim 2 wherein said inorganic pigment is titanium dioxide.
Claim 5
Dependent Claim 16 words
A vapor barrier as recited in claim 3 wherein said substrate sheet is a polyester sheet.
Claim 6
Dependent Claim 31 words
A vapor barrier as recited in claim 1 comprising additional layers of an insulation bat sandwiched between two paper sheets, one of said sheets being secured to said metallized substrate sheet.
Claim 7
Dependent Claim 17 words
A vapor barrier as recited in claim 5 wherein said substrate sheet is metallized on both sides.
Claim 8
Dependent Claim 15 words
A vapor barrier as recited in claim 6 wherein said inorganic pigment is titanium dioxide.
Claim 9
Dependent Claim 45 words
A vapor barrier comprising a metallized polyester sheet having laminated on one side thereof, a continuous layer of radiation cured resin containing titanium dioxide in an amount sufficient to impart fire resistance thereto, and further having secured on the other side thereof an insulation material.
Claim 10
Dependent Claim 45 words
A vapor barrier comprising a metallized polyester sheet having laminated on one side thereof, a continuous layer of radiation cured resin containing titanium dioxide in an amount sufficient to impart fire resistance thereto, and further having secured on the other side thereof an insulation material.
Claim 11
Dependent Claim 16 words
A vapor barrier as recited in claim 8 wherein said polyester sheet is metallized with aluminum.
Claim 12
Dependent Claim 39 words
A vapor barrier as recited in claim 9 wherein said polyester sheet is metallized on both sides, said insulation material comprises fibrous batting, and a layer of scrim is disposed between said insulation material and said metallized polyester sheet.
Claim 13
Dependent Claim 54 words
A vapor barrier comprising a substrate sheet having metallized layer on one side thereof and a radiation cured resin layer on one of said metallized layer or the other side of said substrate sheet, said radiation cured resin layer containing an inorganic pigment in an amount effective to inhibit flame propagation by said resin.
Claim 14
Dependent Claim 54 words
A vapor barrier comprising a substrate sheet having metallized layer on one side thereof and a radiation cured resin layer on one of said metallized layer or the other side of said substrate sheet, said radiation cured resin layer containing an inorganic pigment in an amount effective to inhibit flame propagation by said resin.
Claim 15
Dependent Claim 19 words
A vapor barrier as recited in claim 11 wherein said radiation cured resin layer is on said metallized layer.
Claim 16
Dependent Claim 22 words
A vapor barrier as recited in claim 11 wherein said radiation cured resin is on said other side of said substrate sheet.
Claim 17
Dependent Claim 24 words
A vapor barrier as recited in claim 11 wherein an insulating material is secured to one of said metallized layer or said substrate sheet.
Claim 18
Dependent Claim 15 words
A vapor barrier as recited in claim 14 wherein said insulating material is polyurethane foam.
Claim 19
Dependent Claim 16 words
A vapor barrier as recited in claim 14 wherein said insulating material comprises a fibrous batting.
Claim 20
Dependent Claim 31 words
A vapor barrier as recited in claim 14 wherein said substrate sheet has metallized layers on both sides thereof and said resin layer is laminated to one of said metallized layers.
Claim 21
Dependent Claim 16 words
A vapor barrier as recited in claim 17 wherein said insulating material is a fiberglass batting.
Claim 22
Dependent Claim 18 words
A vapor barrier as recited in claim 14 wherein said insulating material is secured to said metallized layer.
Claim 23
Dependent Claim 18 words
A vapor barrier as recited in claim 14 wherein said insulating material is secured to said substrate sheet.
Claim 24
Dependent Claim 27 words
A vapor barrier as recited in claim 11 wherein said inorganic pigment is selected from the group consisting of metallic oxides and metallic carbonates and mixtures thereof.
Claim 25
Dependent Claim 32 words
A vapor barrier as recited in claim 21 wherein said inorganic pigment is selected from the group consisting of iron oxide, titanium dioxide, barium carbonate, magnesium oxide, magnesium carbonate, and calcium carbonate.
Claim 26
Dependent Claim 24 words
A vapor barrier as recited in claim 11 wherein said substrate comprises a sheet selected from the group consisting of paper, plastic, and foil.
Claim 27
Dependent Claim 48 words
A vapor barrier comprising a laminate of a substrate sheet sandwiched between continuous layers of a radiation cured resin, one of said resin layers comprising an inorganic pigment in an amount effective to impart fire resistance thereto and one of said layers having a metal layer disposed thereon.
Claim 28
Dependent Claim 48 words
A vapor barrier comprising a laminate of a substrate sheet sandwiched between continuous layers of a radiation cured resin, one of said resin layers comprising an inorganic pigment in an amount effective to impart fire resistance thereto and one of said layers having a metal layer disposed thereon.
Claim 29
Dependent Claim 30 words
A vapor barrier as recited in claim 24 wherein said one of said layers comprises an inorganic pigment and the other of said resin layers has a metal layer thereon.
Claim 30
Dependent Claim 27 words
A vapor barrier as recited in claim 25 wherein said inorganic pigment is selected from the group consisting of metallic oxides and metallic carbonates and mixtures thereof.
Claim 31
Dependent Claim 32 words
A vapor barrier as recited in claim 26 wherein said inorganic pigment is selected from the group consisting of iron oxide, titanium dioxide, barium carbonate, magnesium oxide, magnesium carbonate and calcium carbonate.
Claim 32
Dependent Claim 15 words
A vapor barrier as recited in claim 25 wherein said inorganic pigment is titanium dioxide.
Claim 33
Dependent Claim 18 words
A vapor barrier as recited in claim 25 wherein an insulating material is secured to said metal layer.
Claim 34
Dependent Claim 16 words
A vapor barrier as recited in claim 29 wherein said insulating material is an insulating batting.
Claim 35
Dependent Claim 14 words
A vapor barrier as recited in claim 25 wherein said substrate sheet is paper.
Claim 36
Dependent Claim 45 words
A vapor barrier comprising a laminate of a substrate sheet sandwiched between continuous metal layers each having a layer of a radiation cured resin thereon, each of said radiation cured resin layers comprising an inorganic pigment in an amount effective to impart fire resistance thereto.
Claim 37
Dependent Claim 45 words
A vapor barrier comprising a laminate of a substrate sheet sandwiched between continuous metal layers each having a layer of a radiation cured resin thereon, each of said radiation cured resin layers comprising an inorganic pigment in an amount effective to impart fire resistance thereto.
Claim 38
Dependent Claim 27 words
A vapor barrier as recited in claim 32 wherein said inorganic pigment is selected from the group consisting of metallic oxides and metallic carbonates and mixture thereof.
Claim 39
Dependent Claim 32 words
A vapor barrier as recited in claim 33 wherein said inorganic pigment is selected from the group consisting of iron oxide, titanium dioxide, barium carbonate, magnesium oxide, magnesium carbonate and calcium carbonate.
Claim 40
Dependent Claim 15 words
A vapor barrier as recited in claim 32 wherein said inorganic pigment is titanium dioxide.
Claim 41
Independent Claim 59 words
The method of making a normally flammable vapor barrier sheet fire resistant, comprising the steps of: (A) metallizing a substrate sheet; (B) coating a thin continuous film of resin precursor on the product of step (A); and (C) radiation curing said resin precursor, said resin precursor comprising an inorganic pigment in an amount effective to impart fire resistance thereto.
Claim 42
Independent Claim 59 words
The method of making a normally flammable vapor barrier sheet fire resistant, comprising the steps of: (A) metallizing a substrate sheet; (B) coating a thin continuous film of resin precursor on the product of step (A); and (C) radiation curing said resin precursor, said resin precursor comprising an inorganic pigment in an amount effective to impart fire resistance thereto.
Claim 43
Dependent Claim 14 words
A method as recited in claim 36 wherein said inorganic pigment is titanium dioxide.
Claim 44
Dependent Claim 14 words
A method as recited in claim 37 wherein said sheet comprises a polyester material.
Claim 45
Dependent Claim 26 words
A method as recited in claim 36 wherein said inorganic pigment is selected from the group consisting of metallic oxides and metallic carbonates and mixtures thereof.
Claim 46
Dependent Claim 31 words
A method as recited in claim 39 wherein said inorganic pigment is selected from the group consisting of iron oxide, titanium dioxide, barium carbonate, magnesium oxide, magnesium carbonate and calcium carbonate.

References Cited (Backward Citations)

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US3707433A Cited
US4054711A Cited
US4054710A Cited
US4218294A Cited
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US4158718A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-01-11 1985-07-13 1986-01-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-01-11 1989-07-13 1990-01-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-01-11 1993-07-13 1994-01-12 $7700.00 Window Closed / Lapsed

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