Patent US2356829A successfully refreshed from Google Patents.
Patent US3840207A successfully refreshed from Google Patents.
US3840207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible tube valve
Assignee: Individual
•
Filing: 1968-06-13
•
Granted: 1974-10-08
•
Expires: 1988-06-13
Abstract
Abstract In valves, improved apparatus incorporating a flexible tubing for controlling the flow of a fluid or fluids therethrough wherein the flexible tubing constrictively engages a movable valve body or core upon application of internal pressure to the tubing; said improved valve incorporating an annular flow path between the tube and the valve member which is closed on application of pressure internally to said tubing by suitable means, such as a piston-cylinder means or the like.
Inventors
- 👤 C Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:43
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/02; F16K7/04; F16K7/07; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7848; Y10T137/7904; Y10T137/7922; Y10T137/7927
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
200 words
A valve comprising: a body having an interior cavity arranged about a selected axis; inlet and outlet fluid passage means in said body including opposed first and second tubular projections coaxially arranged about said axis and extending into said cavity toward one another; an imperforate member having an intermediate portion with a circular transverse cross section loosely disposed in said cavity in coincidental alignment with said opposed tubular projections and adapted for movement relative thereto; a resilient pressure-responsive member having an unsupported intermediate portion coaxially arranged in said cavity to enclose said imperforate member and adapted for movement into and out of sealing engagement with said intermediate portion of said imperforate member for controlling flow between said fluid passage means and other portions secured to said body and fluidly sealed in relation thereto for defining an enclosed annular space within said cavity around the exterior of said unsupported intermediate portion; and means including a passage in said body adapted to admit pressured fluids into said enclosed annular space for selectively distending said intermediate portion of said resilient member into sealing engagement with said intermediate portion of said imperforate member to block fluid flow between said inlet and outlet passage means.
Claim 2
Dependent Claim
200 words
A valve comprising: a body having an interior cavity arranged about a selected axis; inlet and outlet fluid passage means in said body including opposed first and second tubular projections coaxially arranged about said axis and extending into said cavity toward one another; an imperforate member having an intermediate portion with a circular transverse cross section loosely disposed in said cavity in coincidental alignment with said opposed tubular projections and adapted for movement relative thereto; a resilient pressure-responsive member having an unsupported intermediate portion coaxially arranged in said cavity to enclose said imperforate member and adapted for movement into and out of sealing engagement with said intermediate portion of said imperforate member for controlling flow between said fluid passage means and other portions secured to said body and fluidly sealed in relation thereto for defining an enclosed annular space within said cavity around the exterior of said unsupported intermediate portion; and means including a passage in said body adapted to admit pressured fluids into said enclosed annular space for selectively distending said intermediate portion of said resilient member into sealing engagement with said intermediate portion of said imperforate member to block fluid flow between said inlet and outlet passage means.
Claim 3
Dependent Claim
11 words
The valve of claim 1 wherein said imperforated member is spherical.
Claim 4
Dependent Claim
58 words
The valve of claim 1 wherein said first tubular projection terminates in an annular seat coaxially disposed about said axis; and said imperforate member is free to move axially between said opposed projections and has an end portion complementally shaped for seating engagement with said annular seat upon movement of said end portion against said first tubular projection.
Claim 5
Dependent Claim
55 words
The valve of claim 1 wherein said imperforate member is spherical and is free to move axially between said opposed projections; and said first tubular projection terminates in an annular seat coaxially disposed about said axis and complementally shaped for seating engagement by said imperforate member whenever it moves into contact with said annular seat.
Claim 6
Dependent Claim
20 words
The valve of claim 1 wherein said first tubular projection has at least one lateral passage opening into said cavity.
Claim 7
Dependent Claim
16 words
The valve of claim 1 wherein at least said first tubular projection includes a porous portion.
Claim 8
Dependent Claim
42 words
The valve of claim 1 wherein said intermediate portion of said resilient member is generally toroidal and said other portions of said resilient member include a tubular portion in communication with said toroidal portion and extending laterally therefrom along said body passage.
Claim 9
Dependent Claim
31 words
The valve of claim 7 wherein the walls of said cavity adjacent to said toroidal portion of said resilient member are complementally shaped to support the exterior of said toroidal portion.
Claim 10
Dependent Claim
33 words
The valve of claim 8 wherein said opposed tubular projections are partially extended into said unsupported intermediate portion of said resilient member to support adjacent surfaces thereof upon distension of said resilient member.
Claim 11
Dependent Claim
20 words
The valve of claim 9 wherein said first tubular projection has at least one lateral passage opening into said cavity.
Claim 12
Dependent Claim
16 words
The valve of claim 9 wherein at least said first tubular projection includes a porous portion.
Claim 13
Dependent Claim
11 words
The valve of claim 9 wherein said imperforate member is spherical.
Claim 14
Dependent Claim
58 words
The valve of claim 9 wherein said first tubular projection terminates in an annular seat coaxially disposed about said axis; and said imperforate member is free to move axially between said opposed projections and has an end portion complementally shaped for seAting engagement with said annular seat upon movement of said end portion against said first tubular projection.
Claim 15
Dependent Claim
55 words
The valve of claim 9 wherein said imperforate member is spherical and is free to move axially between said opposed projections; and said first tubular projection terminates in an annular seat coaxially disposed about said axis and complementally shaped for seating engagement by said imperforate member whenever it moves into contact with said annular seat.
Claim 16
Dependent Claim
16 words
The valve of claim 14 wherein at least said first tubular projection includes a porous portion.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-07 | 1978-04-08 | 1978-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-07 | 1982-04-08 | 1982-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-07 | 1986-04-08 | 1986-10-08 | $7700.00 | Window Closed / Lapsed |