US4929497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame retardant rolling door
Assignee: Albany International Corp
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Filing: 1989-03-27
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Granted: 1990-05-29
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Expires: 2009-03-27
Abstract
Abstract This invention consists of a flame-retardant, coated fabric material for use in the manufacture of rolling-door panels, blades, or leaves. It is particularly designed for use in the kind of high-speed, light-weight doors currently found in the garages and vehicle bays of warehouses, factories, and other industrial facilities. In addition to being much lighter than the metal doors being replaced, the material of the present invention has to its further advantage a flame-retardancy not present in earlier fabric doors.
Inventors
- 👤 Larry L. Mitchell
- 👤 Crayton G. Toney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:43
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/485; E06B5/00; E06B5/10; E06B5/16; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2656
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
45 words
A flame-retardant rolling-door panel comprising: a flame-retardant base fabric, said base fabric woven from a monofilament yarn, said monofilament yarn extruded from a mixture of a thermoplastic material and a flame-retardant additive; and a flame-retardant coating agent applied to the surface of said base fabric.
Claim 2
Dependent Claim
45 words
A flame-retardant rolling-door panel comprising: a flame-retardant base fabric, said base fabric woven from a monofilament yarn, said monofilament yarn extruded from a mixture of a thermoplastic material and a flame-retardant additive; and a flame-retardant coating agent applied to the surface of said base fabric.
Claim 3
Dependent Claim
32 words
A flame-retardant rolling-door panel as claimed in claim 1 wherein said thermoplastic material of said mixture is polyester and said flame-retardant additive of said mixture is polymeric bromoglycidylether mixed with antimony trioxide.
Claim 4
Dependent Claim
28 words
A flame-retardant rolling-door panel as claimed in claim 2 wherein said mixture is 75% by weight polyester and 20% by weight polymeric bromoglycidylether mixed with 5% antimony trioxide.
Claim 5
Dependent Claim
32 words
A flame-retardant rolling-door panel as claimed in claim 1 wherein said thermoplastic material of said mixture is polyester and said flame-retardant additive of said mixture is poly-(2,6-dibromophenylene oxide) mixed with antimony trioxide.
Claim 6
Dependent Claim
28 words
A flame-retardant rolling-door panel as claimed in claim 4 wherein said mixture is 80% by weight polyester, 16% by weight poly-(2,6-dibromophenylene oxide) and 4% by weight antimony trioxide.
Claim 7
Dependent Claim
34 words
A flame-retardant rolling-door panel as claimed in claim 4 wherein said mixture is from 75% to 80% by weight polyester, from 15% to 20% by weight poly-(2,6-dibromophenylene oxide), and 5% by weight antimony trioxide.
Claim 8
Dependent Claim
35 words
A flame-retardant rolling-door panel as claimed in claim 4 wherein said mixture is no more than 85% by weight polyester, no less than 15% by weight poly-(2,6-dibromophenylene oxide), and no less than 3% antimony trioxide.
Claim 9
Dependent Claim
27 words
A flame-retardant rolling-door panel as claimed in claim 1 wherein said mixture 80% by weight polyester and 15% by weight flame-retardant additive, and 5% by weight synergist.
Claim 10
Dependent Claim
26 words
A flame-retardant rolling-door panel as claimed in claim 1 wherein said thermoplastic material is chosen from a group consisting of polyester (PET), PBT, polyolefin, and polyamide.
Claim 11
Dependent Claim
32 words
A flame-retardant rolling-door panel as claimed in claim 1 wherein said flame-retardant coating agent is chosen from a group consisting of polyvinylchloride (PVC) mixed with a flame-retardant additive, silicone rubber, and acrylics.
Claim 12
Dependent Claim
28 words
A flame-retardant rolling-door panel as claimed in claim 1 wherein said flame-retardant coating agent is polyvinylchloride (PVC) mixed with 2% to 3% by weight of a flame-retardant additive.
Claim 13
Dependent Claim
17 words
A flame-retardant rolling-door panel as claimed in claim 11 wherein said flame-retardant additive is a phosphate-type plasticizer.
Claim 14
Dependent Claim
18 words
A flame-retardant rolling-door panel as claimed in claim 12 wherein said phosphate-type plasticizer is 2-ethyl hexyl diphenyl phosphate.
Claim 15
Dependent Claim
17 words
A flame-retardant rolling-door panel as claimed in claim 11 wherein said flame-retardant additive is 2-ethyl/hexyl di-phenyl phosphate.
Claim 16
Dependent Claim
28 words
A flame-retardant rolling-door panel as claimed in claim 1 wherein said flame-retardant coating agent is polyvinylchloride mixed with 2% to 3% by weight of 2-ethyl hexyl di-phenyl phosphate.
Claim 17
Dependent Claim
35 words
A flame-retardant rolling-door panel as claimed in claim 15 wherein said flame-retardant coating agent further comprises 5% to 6% by weight of titanium dioxide, so that said flame-retardant coating agent will acquire a white color.
Claim 18
Dependent Claim
39 words
A flame-retardant rolling-door panel as claimed in claim 15 wherein said flame-retardant coating agent further comprises 5% to 6% by weight of silica encapsulated lead chromate/lead molybdate pigment, so that said flame-retardant coating agent will acquire an orange color.
Claim 19
Dependent Claim
36 words
A flame-retardant rolling-door panel as claimed in claim 15 wherein said flame-retardant coating agent further comprises 1% to 11/2% by weight of carbon black pigment, so that said flame-retardant coating agent will acquire a black color.
Claim 20
Dependent Claim
46 words
A flame-retardant rolling-door panel as claimed in claim 15 wherein said flame-retardant coating agent further comprises 3% to 4% by weight of brown iron oxide pigment and 2% to 5% by weight of titanium dioxide, so that said flame-retardant coating agent will acquire a brown color.
Claim 21
Dependent Claim
45 words
A flame-retardant rolling-door panel as claimed in claim 15 wherein said flame-retardant coating agent further comprises 1% to 2% by weight of phthalocyanine blue pigment and 4% to 5% by weight of titanium dioxide, so that said flame-retardant coating agent will acquire a blue color.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-05-28 | 1993-11-27 | 1994-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-28 | 1997-11-27 | 1998-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-28 | 2001-11-27 | 2002-05-29 | $7700.00 | Window Closed / Lapsed |