US4090011A
Expired / Lapsed
US
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Armor
Assignee: Reynolds Metals Co
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Filing: 1964-07-02
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Granted: 1978-05-16
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Expires: 1984-07-02
Abstract
Abstract 1. Armor possessing high resistance to penetration, comprising a metallic composite having a layer of aluminous metal bonded to a layer of a precipitation-hardenable ferrous alloy, said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of said ferrous alloy layer.
Inventors
- 👤 Erick F. Barkman
- 👤 John Harry Jackson
- 👤 Bennie Ray Ward, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:11
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B32B15/012; F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0442; F41H5/045; F41H5/0457; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
46 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of aluminous metal bonded to a layer of a precipitation-hardenable ferrous alloy, said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of said ferrous alloy layer.
Claim 2
Dependent Claim
46 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of aluminous metal bonded to a layer of a precipitation-hardenable ferrous alloy, said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of said ferrous alloy layer.
Claim 3
Dependent Claim
48 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of a ferrous alloy bonded to a layer of a heat-treatable aluminum base alloy, said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of said aluminum alloy layer.
Claim 4
Dependent Claim
48 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of a ferrous alloy bonded to a layer of a heat-treatable aluminum base alloy, said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of said aluminum alloy layer.
Claim 5
Dependent Claim
52 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of a heat-treatable wrought aluminum base alloy bonded to a layer of stainless steel of the semi-austenitic type, said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of both said alloy layers.
Claim 6
Dependent Claim
52 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of a heat-treatable wrought aluminum base alloy bonded to a layer of stainless steel of the semi-austenitic type, said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of both said alloy layers.
Claim 7
Dependent Claim
61 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of a heat-treatable wrought aluminum base alloy bonded to a layer of a precipitation-hardenable stainless steel of the semi-austenitic type, said stainless steel layer of the bonded composite being susceptible to a thermal hardening treatment in the temperature range for solution heat treatment of said aluminum base alloy.
Claim 8
Dependent Claim
61 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of a heat-treatable wrought aluminum base alloy bonded to a layer of a precipitation-hardenable stainless steel of the semi-austenitic type, said stainless steel layer of the bonded composite being susceptible to a thermal hardening treatment in the temperature range for solution heat treatment of said aluminum base alloy.
Claim 9
Dependent Claim
63 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of a heat-treatable copper bearing aluminum base alloy bonded to a layer of a precipitation-hardenable stainless steel alloy containing approximately 17% chromium, 7% nickel and 1% aluminum, balance substantially iron; said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of both said layers.
Claim 10
Dependent Claim
63 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of a heat-treatable copper bearing aluminum base alloy bonded to a layer of a precipitation-hardenable stainless steel alloy containing approximately 17% chromium, 7% nickel and 1% aluminum, balance substantially iron; said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of both said layers.
Claim 11
Dependent Claim
62 words
Armor possessing high resistance to pentration, comprising a metallic composite having a layer of a heat-treatable zinc bearing aluminum base alloy bonded to a layer of a precipitation-hardenable stainless steel containing approximately 17% chromium, 7% nickel, and 1% aluminum, balance substantially iron; said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of both said layers.
Claim 12
Dependent Claim
62 words
Armor possessing high resistance to pentration, comprising a metallic composite having a layer of a heat-treatable zinc bearing aluminum base alloy bonded to a layer of a precipitation-hardenable stainless steel containing approximately 17% chromium, 7% nickel, and 1% aluminum, balance substantially iron; said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of both said layers.
Claim 13
Dependent Claim
64 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of a heat-treatable copper bearing aluminum base alloy bonded to a layer of a precipitation-hardenable stainless steel containing approximately 15% chromium, 7% nickel, 1% aluminum, and 2% molybdenum, balance substantially iron; said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of both said layers.
Claim 14
Dependent Claim
64 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of a heat-treatable copper bearing aluminum base alloy bonded to a layer of a precipitation-hardenable stainless steel containing approximately 15% chromium, 7% nickel, 1% aluminum, and 2% molybdenum, balance substantially iron; said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of both said layers.
Claim 15
Dependent Claim
64 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of heat-treatable zinc bearing aluminum base alloy bonded to a layer of a precipitation hardenable stainless steel containing approximately 15% chromium, 7% nickel, 1% aluminum, and 2% molybdenum, balance substantially iron; said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of both said layers.
Claim 16
Dependent Claim
64 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of heat-treatable zinc bearing aluminum base alloy bonded to a layer of a precipitation hardenable stainless steel containing approximately 15% chromium, 7% nickel, 1% aluminum, and 2% molybdenum, balance substantially iron; said composite in bonded condition being susceptible to a thermal hardening treatment to increase the strength of both said layers.
Claim 17
Dependent Claim
55 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of a heat-treatable wrought aluminum base alloy adhesively bonded to a layer of a precipitation-hardenable stainless steel of the semi-austenitic type characterized by responsiveness to a thermal hardening treatment in the temperature range for solution heat treatment of said aluminum base alloy.
Claim 18
Dependent Claim
55 words
Armor possessing high resistance to penetration, comprising a metallic composite having a layer of a heat-treatable wrought aluminum base alloy adhesively bonded to a layer of a precipitation-hardenable stainless steel of the semi-austenitic type characterized by responsiveness to a thermal hardening treatment in the temperature range for solution heat treatment of said aluminum base alloy.
Claim 19
Dependent Claim
14 words
The Armor of claim 4 in which the aluminum base alloy is alloy 2024.
Claim 20
Dependent Claim
14 words
The Armor of claim 4 in which the aluminum base alloy is alloy 7075.
Claim 21
Dependent Claim
21 words
The Armor of claim 4 comprising a central core of aluminum base alloy bonded to two outer layers of stainless steel.
Claim 22
Dependent Claim
19 words
The Armor of claim 3 in which the aluminum base alloy carries an aluminum cladding on its bonded face.
Claim 23
Dependent Claim
16 words
The Armor of claim 2 in which the ferrous alloy layer consists of stainless steel mesh.
Claim 24
Dependent Claim
20 words
The Armor of claim 1 in which said composite further comprises a layer of plastic material capable of high elongation.
Claim 25
Dependent Claim
16 words
Armor according to claim 15, wherein said plastic material is adhered to the aluminous metal layer.
Claim 26
Dependent Claim
61 words
Armor having low areal density and high resistance to penetration comprising a bonded composite having a layer of precipitation-hardenable ferrous alloy which is responsive to a thermal hardening treatment in the temperature range from about 850° F. to about 950° F., and a layer of of an aluminum base alloy which is susceptible to solution heat treatment in said temperature range.
Claim 27
Dependent Claim
61 words
Armor having low areal density and high resistance to penetration comprising a bonded composite having a layer of precipitation-hardenable ferrous alloy which is responsive to a thermal hardening treatment in the temperature range from about 850° F. to about 950° F., and a layer of of an aluminum base alloy which is susceptible to solution heat treatment in said temperature range.
Claim 28
Dependent Claim
23 words
The Armor of claim 17, in which said composite includes a layer of said ferrous alloy constituting an outer layer of the armor.
Claim 29
Dependent Claim
23 words
The Armor of claim 17, comprising a layer of ferrous alloy adjoining a layer of said aluminum base alloy of substantially greater thickness.
Claim 30
Dependent Claim
23 words
Armor according to claim 18, wherein a layer of plastic material capable of high elongation provides the opposite outer layer of the armor.
Claim 31
Dependent Claim
26 words
The Armor of claim 5, in which said composite includes a layer of aluminum base alloy 2024 bonded to said layer of 17-7 Ph stainless steel.
Claim 32
Dependent Claim
26 words
The Armor of claim 6, in which said composite includes a layer of aluminum base alloy 7075 bonded to said layer of 17-7 PH stainless steel.
Claim 33
Dependent Claim
27 words
The Armor of claim 7, in which said composite includes a layer of aluminum base alloy 2024 bonded to said layer of PH 15-7 Mo stainless steel.
Claim 34
Dependent Claim
27 words
The Armor of claim 8, in which said composite includes a layer of aluminum base alloy 7075 bonded to said layer of PH 15-7 Mo stainless steel.
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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) | 1981-05-15 | 1981-11-14 | 1982-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-15 | 1985-11-14 | 1986-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-15 | 1989-11-14 | 1990-05-16 | $7700.00 | Window Closed / Lapsed |