Patent US4134019A successfully refreshed from Google Patents.
US4134019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Object support surface and method for X-ray examination
Assignee: Hipoint Research Inc
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Filing: 1977-07-22
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Granted: 1979-01-09
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Expires: 1997-07-22
Abstract
Abstract An improved object support surface for X-ray examinations and a method for carrying out such examinations whereby a source of X-rays is positioned above the surface and an X-ray image receptor is positioned below the surface. The support surface is a highly X-ray transparent and strong material comprised of a fibrous material held in a plastic matrix.
Inventors
- 👤 Paul G. Koontz
- 👤 Richard L. Wright
- 👤 Arthur M. Cantu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:37
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/04; Y; Y10; Y10S; Y10S428/00; Y10S428/902
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
93 words
In a support surface attached to a frame for supporting an object to be X-ray examined whereby a source of X-rays and an X-ray image receptor are positioned on opposite sides of said support surface, the improvement comprising: said support surface being suspended on said frame and being formed of a thin highly X-ray transparent material having a high tensile strength comprised of powdered carbon and a fibrous material selected from the group consisting of carbon filaments, synthetic organic fibers and both carbon filaments and synthetic organic fibers, held in a plastic matrix.
Claim 2
Dependent Claim
93 words
In a support surface attached to a frame for supporting an object to be X-ray examined whereby a source of X-rays and an X-ray image receptor are positioned on opposite sides of said support surface, the improvement comprising: said support surface being suspended on said frame and being formed of a thin highly X-ray transparent material having a high tensile strength comprised of powdered carbon and a fibrous material selected from the group consisting of carbon filaments, synthetic organic fibers and both carbon filaments and synthetic organic fibers, held in a plastic matrix.
Claim 3
Dependent Claim
14 words
The apparatus of claim 1 wherein said plastic matrix is a cured thermosetting resin.
Claim 4
Dependent Claim
13 words
The apparatus of claim 2 wherein said thermosetting resin is a phenolic resin.
Claim 5
Dependent Claim
35 words
The apparatus of claim 3 wherein said fibrous material is synthetic organic fibers and said thermosetting resin is bisphenol A-novalak cured at a temperature of about 300° F and a pressure of about 1000 psig.
Claim 6
Dependent Claim
132 words
In a support surface attached to a frame for supporting an object to be X-ray examined whereby a source of X-rays and an X-ray image receptor are positioned on opposite sides of said support surface, the improvement comprising: said support surface being suspended on said frame and being formed of a thin highly X-ray transparent material having a high tensile strength comprised of a fibrous material selected from the group consisting of carbon filaments, synthetic organic fibers and both carbon filaments and synthetic organic fibers held in a plastic matrix; and at least one bar bonded to a peripheral portion of said support surface and movably attached to said frame whereby said bar can be selectively moved inwardly to decrease the tension exerted on said surface or outwardly to increase said tension.
Claim 7
Dependent Claim
132 words
In a support surface attached to a frame for supporting an object to be X-ray examined whereby a source of X-rays and an X-ray image receptor are positioned on opposite sides of said support surface, the improvement comprising: said support surface being suspended on said frame and being formed of a thin highly X-ray transparent material having a high tensile strength comprised of a fibrous material selected from the group consisting of carbon filaments, synthetic organic fibers and both carbon filaments and synthetic organic fibers held in a plastic matrix; and at least one bar bonded to a peripheral portion of said support surface and movably attached to said frame whereby said bar can be selectively moved inwardly to decrease the tension exerted on said surface or outwardly to increase said tension.
Claim 8
Dependent Claim
113 words
In an X-ray examination table having a frame and a support surface attached to said frame for supporting an object to be examined whereby a source of X-rays and an X-ray image receptor are positioned on opposite sides of the support surface, the improvement which comprises: the support surface being formed of a thin highly X-ray transparent material comprised of powdered carbon and a fibrous material selected from the group consisting of carbon filaments, synthetic organic fibers and both carbon filaments and synthetic organic fibers held in a plastic matrix; and means for selectively increasing or decreasing the tension exerted on said support surface attached to said support surface and to said frame.
Claim 9
Dependent Claim
113 words
In an X-ray examination table having a frame and a support surface attached to said frame for supporting an object to be examined whereby a source of X-rays and an X-ray image receptor are positioned on opposite sides of the support surface, the improvement which comprises: the support surface being formed of a thin highly X-ray transparent material comprised of powdered carbon and a fibrous material selected from the group consisting of carbon filaments, synthetic organic fibers and both carbon filaments and synthetic organic fibers held in a plastic matrix; and means for selectively increasing or decreasing the tension exerted on said support surface attached to said support surface and to said frame.
Claim 10
Dependent Claim
62 words
The apparatus of claim 6 wherein said means for increasing or decreasing the tension exerted on said support surface are comprised of one or more bars bonded to peripheral portions of said support surface and movably attached to said frame whereby said bars can be selectively moved inwardly to decrease the tension exerted on said surface or outwardly to increase said tension.
Claim 11
Dependent Claim
14 words
The apparatus of claim 6 wherein said plastic matrix is a cured thermosetting resin.
Claim 12
Dependent Claim
13 words
The apparatus of claim 8 wherein said thermosetting resin is a phenolic resin.
Claim 13
Dependent Claim
35 words
The apparatus of claim 9 wherein said fibrous material is synthetic organic fibers and said thermosetting resin is bisphenol A-novalak cured at a temperature of about 300° F and a pressure of about 1000 psig.
Claim 14
Independent Claim
105 words
A method of X-ray examining an object with a minimum object X-ray exposure comprising the steps of: placing said object on a support surface comprised of powdered carbon and a fibrous material selected from the group consisting of carbon filaments, synthetic organic fibers and both carbon filaments and synthetic organic fibers held in a plastic matrix; positioning an X-ray source and an X-ray image receptor on opposite sides of said object and said support surface; and irradiating said object with X-rays whereby X-rays pass through said object and said support surface for a period of time sufficient to form an X-ray image on said receptor.
Claim 15
Independent Claim
105 words
A method of X-ray examining an object with a minimum object X-ray exposure comprising the steps of: placing said object on a support surface comprised of powdered carbon and a fibrous material selected from the group consisting of carbon filaments, synthetic organic fibers and both carbon filaments and synthetic organic fibers held in a plastic matrix; positioning an X-ray source and an X-ray image receptor on opposite sides of said object and said support surface; and irradiating said object with X-rays whereby X-rays pass through said object and said support surface for a period of time sufficient to form an X-ray image on said receptor.
Claim 16
Dependent Claim
14 words
The method of claim 11 wherein said plastic matrix is a cured thermosetting resin.
Claim 17
Dependent Claim
13 words
The method of claim 12 wherein said thermosetting resin is a phenolic resin.
Claim 18
Dependent Claim
35 words
The method of claim 13 wherein said fibrous material is synthetic organic fibers and said thermosetting resin is bisphenol A-novalak cured at a temperature of about 300° F and a pressure of about 1000 psig.
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) | 1982-01-08 | 1982-07-10 | 1983-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-08 | 1986-07-10 | 1987-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-08 | 1990-07-10 | 1991-01-09 | $7700.00 | Window Closed / Lapsed |