Title:
EXTERNALLY THREADED QUICK CONNECT COUPLING HAVING INTEGRAL FLUID PRESSURE ASSISTED SEAL AND METHOD OF USING SAME
Document Type and Number:
WIPO Patent Application WO/1987/007698
Kind Code:
A1
Abstract:
A quick connect coupling (20) for fluid tight connection to a threaded fluid port (22). A body (26) of the quick connect coupling (20) having a cylindrical, externally threaded first end (28) defining an axially extending passage (29) into the coupling body (26). Axially slidable sleeve (42) being mounted on the outside of the coupling body (26) for slidable motion between a seal unassisted position and a seal assisted position, the axially slidable sleeve (42) forcing against an elastomeric seal (30) in the seal assisted position so as to provide a fluid tight seal between an end of the fluid port (22) and the coupling (20).
Inventors:
MEISINGER STANLEE W (US)
WELCH DANIEL P (US)
WELCH DANIEL P (US)
Application Number:
PCT/US1987/001256
Publication Date:
December 17, 1987
Filing Date:
May 29, 1987
Export Citation:
Assignee:
FASTEST INC (US)
International Classes:
F16L17/00; F16L15/04; F16L17/02; F16L55/10; (IPC1-7): F16L17/00
Foreign References:
| DE1094055B | 1960-12-01 | |||
| US3291442A | 1966-12-13 | |||
| US2485976A | 1949-10-25 | |||
| US2689754A | 1954-09-21 | |||
| US2494598A | 1950-01-17 | |||
| US2703720A | 1955-03-08 | |||
| US2819733A | 1958-01-14 | |||
| US4589689A | 1986-05-20 | |||
| US3841670A | 1974-10-15 | |||
| US4042020A | 1977-08-16 | |||
| DE883689C | 1953-07-20 | |||
| GB294756A | 1928-08-02 | |||
| FR1253297A | 1961-02-10 | |||
| US2712458A | 1955-07-05 |
Other References:
See also references of EP 0269726A4
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