US4400442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber reinforced electroformed superplastic nickel-cobalt matrices
Assignee: Boeing North American Inc
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Filing: 1981-07-13
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Granted: 1983-08-23
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Expires: 2001-07-13
Abstract
Abstract There are provided fiber reinforced structures formed of one or more layers of reinforcing fibers contained in an electroformed, superplastic, nickel-cobalt matrix.
Inventors
- 👤 Jack R. Lewis
- 👤 Robert J. Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:10
CPC Classifications
C; C25; C25D; C25D15/00; C25D5/00; C25D5/48; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12444; Y10T428/12465; Y10T428/12486; Y10T428/12493; Y10T428/12535; Y10T428/12625; Y10T428/12639; Y10T428/12771; Y10T428/12861; Y10T428/12931; Y10T428/12944
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
28 words
A fiber reinforced structure comprising at least one layer comprised of a plurality of reinforcing fibers contained in a matrix consisting essentially of an electroformed, superplastic, nickel-cobalt alloy.
Claim 2
Dependent Claim
28 words
A fiber reinforced structure comprising at least one layer comprised of a plurality of reinforcing fibers contained in a matrix consisting essentially of an electroformed, superplastic, nickel-cobalt alloy.
Claim 3
Dependent Claim
28 words
A fiber reinforced structure as claimed in claim 1 in which the electroformed, superplastic, nickel-cobalt alloy is comprised of from about 35% to about 65% by weight cobalt.
Claim 4
Dependent Claim
28 words
A fiber reinforced structure as claimed in claim 1 in which the electroformed, superplastic, nickel-cobalt alloy is comprised of from about 40% to about 60% by weight cobalt.
Claim 5
Dependent Claim
28 words
A fiber reinforced structure as claimed in claim 1 in which the electroformed, superplastic, nickel-cobalt alloy is comprised of from about 40% to about 50% by weight cobalt.
Claim 6
Dependent Claim
26 words
A fiber reinforced structure as claimed in claim 1 in which the reinforcing fibers are selected from the group consisting of carbon fibers and boron fibers.
Claim 7
Dependent Claim
28 words
A fiber reinforced structure as claimed in claim 1 in which the reinforcing fibers comprise from about 30% to about 70% by volume of the fiber reinforced structure.
Claim 8
Dependent Claim
32 words
A fiber reinforced structure as claimed in claim 1 in which the reinforcing fibers are composed of filaments forming a yarn and in which the filaments of the yarn are electrolessly plated.
Claim 9
Dependent Claim
80 words
A fiber reinforced structure comprising a laminate of: (a) at least one layer comprised of a plurality of reinforcing fibers; (b) a first self-supporting layer consisting essentially of an electroformed, superplastic, nickel-cobalt alloy providing a first surface partially bonded to said reinforcing fibers and partially disposed between said reinforcing fibers; and (c) a second self-supporting layer consisting of an electroformed, superplastic, nickel-cobalt alloy providing a second surface partially bonded to said reinforcing fibers and diffusion bonded to said first surface.
Claim 10
Dependent Claim
80 words
A fiber reinforced structure comprising a laminate of: (a) at least one layer comprised of a plurality of reinforcing fibers; (b) a first self-supporting layer consisting essentially of an electroformed, superplastic, nickel-cobalt alloy providing a first surface partially bonded to said reinforcing fibers and partially disposed between said reinforcing fibers; and (c) a second self-supporting layer consisting of an electroformed, superplastic, nickel-cobalt alloy providing a second surface partially bonded to said reinforcing fibers and diffusion bonded to said first surface.
Claim 11
Dependent Claim
26 words
A fiber reinforced structure as claimed in claim 8 in which each electroformed, superplastic, nickel-cobalt alloy contains from about 35% to about 65% by weight cobalt.
Claim 12
Dependent Claim
26 words
A fiber reinforced structure as claimed in claim 8 in which each electroformed, superplastic, nickel-cobalt alloy contains from about 40% to about 60% by weight cobalt.
Claim 13
Dependent Claim
26 words
A fiber reinforced structure as claimed in claim 8 in which each electroformed, superplastic, nickel-cobalt alloy contains from about 40% to about 50% by weight cobalt.
Claim 14
Dependent Claim
26 words
A fiber reinforced structure as claimed in claim 8 in which the reinforcing fibers are selected from the group consisting of carbon fibers and boron fibers.
Claim 15
Dependent Claim
32 words
A fiber reinforced structure as claimed in claim 8 in which the reinforcing fibers are composed of filaments forming a yarn and in which the filaments of the yarn are electrolessly plated.
Claim 16
Dependent Claim
28 words
A fiber reinforced structure as claimed in claim 8 in which the reinforcing fibers comprise from about 30% to about 70% by volume of the fiber reinforced structure.
Claim 17
Dependent Claim
29 words
A fiber reinforced structure as claimed in claim 8 in which each electroformed, superplastic, nickel-cobalt alloy layer is independently of a thickness of from about 7 to 10 mils.
Claim 18
Dependent Claim
25 words
A fiber reinforced structure as claimed in claim 8 in which the reinforcing fibers have a thickness of from about 5 to about 10 mils.
Claim 19
Dependent Claim
117 words
A fiber reinforced structure comprised of a laminate of: (a) at lease one layer of reinforcing fibers formed of fibers selected from the group consisting of carbon fibers and boron fibers; (b) a first self-supporting layer consisting essentially of an electroformed, superplastic, nickel-cobalt alloy containing from about 35% to about 65% by weight cobalt, said first layer providing a first surface partially bonded to said reinforcing fibers and partially disposed between said reinforcing fibers; (c) a second self-supporting layer consisting essentially of an electroformed, superplastic, nickel-cobalt alloy containing from about 35% to about 65% by weight cobalt, said second layer providing a second surface partially bonded to said reinforcing fibers and diffusion bonded to said first surface.
Claim 20
Dependent Claim
117 words
A fiber reinforced structure comprised of a laminate of: (a) at lease one layer of reinforcing fibers formed of fibers selected from the group consisting of carbon fibers and boron fibers; (b) a first self-supporting layer consisting essentially of an electroformed, superplastic, nickel-cobalt alloy containing from about 35% to about 65% by weight cobalt, said first layer providing a first surface partially bonded to said reinforcing fibers and partially disposed between said reinforcing fibers; (c) a second self-supporting layer consisting essentially of an electroformed, superplastic, nickel-cobalt alloy containing from about 35% to about 65% by weight cobalt, said second layer providing a second surface partially bonded to said reinforcing fibers and diffusion bonded to said first surface.
Claim 21
Dependent Claim
26 words
A fiber reinforced structure as claimed in claim 17 in which each electroformed, superplastic, nickel-cobalt alloy contains from about 40% to about 60% by weight cobalt.
Claim 22
Dependent Claim
26 words
A fiber reinforced structure as claimed in claim 17 in which each electroformed, superplastic, nickel-cobalt alloy contains from about 40% to about 50% by weight cobalt.
Claim 23
Dependent Claim
28 words
A fiber reinforced structure as claimed in claim 17 in which the reinforcing fibers comprise from about 30% to about 70% by volume of the fiber reinforced structure.
Claim 24
Dependent Claim
30 words
A fiber reinforced structure as claimed in claim 17 in which each electroformed, superplastic, nickel-cobalt alloy layer is independently of a thickness of from about 7 to about 10 mils.
Claim 25
Dependent Claim
25 words
A fiber reinforced structure as claimed in claim 17 in which the reinforcing fibers have a thickness of from about 5 to about 10 mils.
Claim 26
Dependent Claim
32 words
A fiber reinforced structure as claimed in claim 17 in which the reinforcing fibers are composed of filaments forming a yarn and in which the filaments of the yarn are electrolessly plated.
Claim 27
Dependent Claim
45 words
A fiber reinforced structure comprising at least one layer comprised of non-conductive reinforcing fiber filaments contained within a layer consisting essentially of an electroformed, superplastic, nickel-cobalt alloy matrix formed by electrodeposition of said matrix outward from a cathode to envelope said layer of reinforcing fibers.
Claim 28
Dependent Claim
45 words
A fiber reinforced structure comprising at least one layer comprised of non-conductive reinforcing fiber filaments contained within a layer consisting essentially of an electroformed, superplastic, nickel-cobalt alloy matrix formed by electrodeposition of said matrix outward from a cathode to envelope said layer of reinforcing fibers.
Claim 29
Dependent Claim
26 words
A fiber reinforced structure as claimed in claim 24 in which the electroformed, superplastic, nickel-cobalt alloy contains from about 35% to about 65% by weight cobalt.
Claim 30
Dependent Claim
26 words
A fiber reinforced structure as claimed in claim 24 in which the electroformed, superplastic, nickel-cobalt alloy contains from about 40% to about 60% by weight cobalt.
Claim 31
Dependent Claim
26 words
A fiber reinforced structure as claimed in claim 24 in which the electroformed, superplastic, nickel-cobalt alloy contains from about 40% to about 50% by weight cobalt.
Claim 32
Dependent Claim
29 words
A fiber reinforced structure as claimed in claim 24 in which the non-conductive reinforcing fibers comprise from about 30% to about 70% by volume of the fiber reinforced structure.
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) | 1986-08-22 | 1987-02-21 | 1987-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-22 | 1991-02-21 | 1991-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-22 | 1995-02-21 | 1995-08-23 | $7700.00 | Window Closed / Lapsed |