Patent US4729303A successfully refreshed from Google Patents.
US4729303A
Expired / Lapsed
US
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Aircraft trash compactor with penetration resisting liner
Assignee: AKGS 3671 TIOGA WAY LAS VEGAS NEVADA 89109
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Filing: 1986-08-27
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Granted: 1988-03-08
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Expires: 2006-08-27
Abstract
Abstract An improved lightweight aircraft or aerospace trash compactor having a nonmetallic, penetration-resistant lining for the compacting chamber. The lining is a nonmetallic, high strength fabric, such as aramid, graphite, or mixtures, thereof which is impregnated with a thermosetting resin such as epoxy resin.
Inventors
- 👤 James L. Durbin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:31
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3003; B30B9/3032; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
103 words
A lightweight high pressure trash compactor comprising: (a) a cabinet with an internal compacting chamber defined by a floor, upstanding walls, and an upper portion thereof and being adapted to receive a trash container; (b) a compacting platen disposed within the upper portion of the compacting chamber; (c) extendible means to drive the compacting platen downwardly toward the floor of the compacting chamber and to withdraw the compacting platen into the upper portion of the compacting chamber; and (d) a substantially impenetrable fabric formed of high strength, nonmetallic fiber impregnated with a thermosetting resin secured to inner surfaces of the internal compacting chamber.
Claim 2
Dependent Claim
103 words
A lightweight high pressure trash compactor comprising: (a) a cabinet with an internal compacting chamber defined by a floor, upstanding walls, and an upper portion thereof and being adapted to receive a trash container; (b) a compacting platen disposed within the upper portion of the compacting chamber; (c) extendible means to drive the compacting platen downwardly toward the floor of the compacting chamber and to withdraw the compacting platen into the upper portion of the compacting chamber; and (d) a substantially impenetrable fabric formed of high strength, nonmetallic fiber impregnated with a thermosetting resin secured to inner surfaces of the internal compacting chamber.
Claim 3
Dependent Claim
15 words
The trash compactor of claim 1 wherein the thermosetting resin consists essentially of epoxy resin.
Claim 4
Dependent Claim
35 words
The trash compactor of claim 2 wherein the epoxy resin is selected from the group consisting of a bisphenol A epoxy resin, a bisphenol A brominated epoxy resin, a novolac epoxy resin and mixtures thereof.
Claim 5
Dependent Claim
25 words
The trash compactor of claim 1 wherein the high strength fibers are selected from the group consisting of aramid fibers, graphite fibers, and mixtures thereof.
Claim 6
Dependent Claim
28 words
The trash compactor of claim 4 wherein the impenetrable fabric comprises from about 25% to about 65% aramid fibers and from about 30% to about 60% epoxy resin.
Claim 7
Dependent Claim
28 words
The trash compactor of claim 1 wherein at least the upstanding walls include a lightweight core and have the substantially impenetrable fabric secured to the inside surface thereof.
Claim 8
Dependent Claim
29 words
The trash compactor of claim 6 wherein the lightweight core is a honeycomb structure formed from a material selected from the group consisting of aluminum, titanium and alloys thereof.
References Cited (Backward Citations)
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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) | 1991-03-08 | 1991-09-07 | 1992-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-08 | 1995-09-07 | 1996-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-08 | 1999-09-07 | 2000-03-08 | $7700.00 | Window Closed / Lapsed |