US3867923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid sampler
Assignee: Individual
•
Filing: 1973-06-14
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Granted: 1975-02-25
•
Expires: 1993-06-14
Abstract
Abstract A device for collecting samples from pressurized fluids comprises a flat fluid impermeable expandable bag having an opening, a support and a clamping element. The bag is adapted to receive the samples through the opening causing the bag to expand. The clamping element cooperates with the support to releasably seal the bag near its opening in order to control the flow of the fluid sample to and from the bag and to seal the sample from contaminating atmospheres.
Inventors
- 👤 Roland James West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:59
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/15003; A61B5/150206; A61B5/150259; A61B5/150351; A61B5/150366; A61B5/150374; A61B5/150381; A61B5/150389; A61B5/150503; A61B5/150519; A61B5/150732; A61B5/153
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
128 words
A device for collecting samples from pressurized fluids comprising, in combination; a fluid impermeable container comprising two opposing walls sealed together, except at one opening therebetween, about a common periphery so as to be substantially in face-to-face contact with one another throughout the interior portion of said container, said container being expandable when said sample is received therein through said opening; means for supporting said container along its length and including a fluid conduit, one end of said conduit defining an aperture in said supporting means, said opening of said container being releasably sealed to communicate with said aperture, and; valve means cooperating with said container and said supporting means for releasably clamping said two opposing walls of said container together at a location substantially near said opening.
Claim 2
Independent Claim
128 words
A device for collecting samples from pressurized fluids comprising, in combination; a fluid impermeable container comprising two opposing walls sealed together, except at one opening therebetween, about a common periphery so as to be substantially in face-to-face contact with one another throughout the interior portion of said container, said container being expandable when said sample is received therein through said opening; means for supporting said container along its length and including a fluid conduit, one end of said conduit defining an aperture in said supporting means, said opening of said container being releasably sealed to communicate with said aperture, and; valve means cooperating with said container and said supporting means for releasably clamping said two opposing walls of said container together at a location substantially near said opening.
Claim 3
Dependent Claim
28 words
A device as device as described in claim 1 wherein the opposite end of said fluid conduit of said supporting means includes means for mounting a hypodermic needle.
Claim 4
Dependent Claim
37 words
A device as described in claim 1 wherein said container comprises two substantially rectangular sheets, said sheets being sealed together along three edges, said opening of said container being defined by the fourth edges of said sheets.
Claim 5
Dependent Claim
12 words
A device as described in claim 3 wherein said sheets are transparent.
Claim 6
Dependent Claim
53 words
A device as described in claim 1 wherein said valve means is mounted on at least a portion of said supporting means for slidable movement between an open position, wherein said container is capable of receiving said samples, and a closed position, wherein said two opposing walls of said container are releasably clamped.
Claim 7
Dependent Claim
67 words
A device as described in claim 5, wherein said portion of said supporting means has a substantially rectangular cross-section, said valve means includes an aperture capable of receiving said support portion and said two opposing walls of said container, said support-receiving aperture has a substantially rectangular cross-section, said support-receiving aperture cross-section decreases in thickness from two opposite ends of said aperture toward the center of said aperture.
Claim 8
Dependent Claim
20 words
A device as described in claim 5, wherein the section of said supporting means at said closed position is tapered.
Claim 9
Dependent Claim
66 words
A device as described in claim 7 wherein said tapered section increases in thickness from said open position to said closed position and said valve means includes means for receiving said support and said two opposing walls of said container, said tapered section and said two opposing walls are capable of being wedged in said receiving means when said valve means is in said closed position.
Claim 10
Dependent Claim
14 words
A device as describeD in claim 8 wherein said receiving means is an aperture.
Claim 11
Dependent Claim
70 words
A device as described in claim 1, wherein said valve means is in a in closed position, wherein said two opposing walls of said container are releasably clamped, and said valve means is capable of bulging outwardly away from said supporting means in response to an external force to an open position, wherein said container is capable of receiving said samples when said valve means is in said open position.
Claim 12
Dependent Claim
74 words
A device as described in claim 10, wherein said valve means includes means for receiving said supporting means and said two opposing walls of said container, said receiving means being dimensioned so that said receiving means bulges outwardly in a unilateral direction away from said supporting means releasing said two opposing walls of said container when said external force is applied to said valve means in a direction substantially normal to said unilateral direction.
Claim 13
Dependent Claim
14 words
A device as described in claim 11, wherein said receiving means is an aperture.
Claim 14
Dependent Claim
52 words
A device as described in claim 1, wherein at least a portion of said valve means is mounted on said supporting means for pivotal movement between an open position, wherein said container is capable of receiving said samples, and a closed position, wherein said opposing walls of said container are releasably clamped.
Claim 15
Dependent Claim
61 words
A device as described in claim 13 wherein said valve means includes means for receiving said supporting means, said receiving means includes a portion which contacts one of said two opposing walls of said container when said valve means is in said closed position, said contacting portion having two opposing ends, said valve means being pivotal about one of said ends.
Claim 16
Dependent Claim
36 words
A device as described in claim 14, wherein said receiving means further includes two opposing side portions, each of said side portions being attached to a corresponding one of said opposing ends of said contacting portion.
Claim 17
Dependent Claim
52 words
A device as described in claim 15 wherein said side portion attached to said pivotal end is secured to said supporting means on one side of said container, and the other of said side portions cooperates with said support on the other side of said container between said open and closed positions.
Claim 18
Dependent Claim
36 words
A device as described in claim 16, wherein said other of said side portions includes a detent, and said support includes means for releasably securing said detent in said open position and in said closed position.
Claim 19
Dependent Claim
20 words
A device as described in claim 17, wherein said means for securing said detent include notches in said supporting means.
Claim 20
Dependent Claim
40 words
A device as described in claim 17, wherein said side portion attached to said pivotal end is substantially U-shaped, said other of said side portions is substantially W-shaped, said detent being the center extending portion of said W-shaped said portion.
Claim 21
Dependent Claim
40 words
A device as described in claim 13, said supporting means includes means for receiving said pivotal portion of said valve means and said valve means includes a pressure member, wherein said pivotal portion and pressure member cooperate with one another.
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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) | 1978-02-24 | 1978-08-26 | 1979-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-24 | 1982-08-26 | 1983-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-24 | 1986-08-26 | 1987-02-25 | $7700.00 | Window Closed / Lapsed |