← Back to Patent Explorer
US3325980A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for providing relative leaktightness between two parts which are movable withrespect to each other

Assignee: Groupement Atomique Alsacienne Atlantique SA
•
Filing: 1963-11-19
•
Granted: 1967-06-20
•
Expires: 1983-11-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Chameroy Jean
  • 👤 Laxague Jean

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 03:52
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0651; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3436; F16J15/3444; F16K3/00; F16K3/02; F16K3/16; F16K3/18; F16K31/0655; F16K31/0658; F16L; F16L55/00; F16L55/24; G; G21; G21C; G21C17/00; G21C17/02; G21C17/04; G21C17/042; G21C17/044; Y; Y02; Y02E; Y02E30/00; Y02E30/30

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 165 words
DEVICE FOR PROVIDING A SUBSTANTIALLY LEAKPROOF SEAL BETWEEN RELATIVELY MOVABLE ELEMENTS, COMPRISING: A PAIR OF CONDUITS HAVING OPPOSED AND SPACED APART ADJACENT ENDS; A DISC MOUNTED FOR ROTATION ABOUT AN AXIS ADJACENT SAID CONDUITS AND HAVING AN EDGE PORTION BETWEEN AND SPACED FROM SAID ADJACENT ENDS WHEREBY SAID EDGE PORTION MAY BE MOVED INTO AND OUT OF THE SPACE BETWEEN SAID CONDUIT ENDS; AT LEAST ONE OPENING THROUGH SAID DISC IN ALIGNMENT WITH SAID CONDUITS; AN ANNULAR SUPPORT IN SAID OPENING AND SLIDABLY MOUNTED THEREIN FOR MOVEMENT TOWARD AND FROM SEALING ENGAGEMENT WITH AN ADJACENT END OF ONE OF SAID CONDUITS; A FILTER CAPSULE SPANNING THE INTERIOR OF SAID ANNULAR SUPPORT; SPRING MEANS BETWEEN SAID DISC AND SUPPORT AND URGING SAID SUPPORT WAY FROM SAID ONE CONDUIT END AND TOWARD SAID DISC; SELECTIVELY OPERABLE MEANS FOR MOVING SAID SUPPORT INTO SEALING ENGAGEMENT WITH SAID ONE CONDUIT END, AGAINST THE ACTION OF SAID SPRING; AND MEANS DEFINING AN ENCLOSURE HOUSING SAID DISC AND SAID ADJACENT ENDS.
Claim 2
Dependent Claim 165 words
DEVICE FOR PROVIDING A SUBSTANTIALLY LEAKPROOF SEAL BETWEEN RELATIVELY MOVABLE ELEMENTS, COMPRISING: A PAIR OF CONDUITS HAVING OPPOSED AND SPACED APART ADJACENT ENDS; A DISC MOUNTED FOR ROTATION ABOUT AN AXIS ADJACENT SAID CONDUITS AND HAVING AN EDGE PORTION BETWEEN AND SPACED FROM SAID ADJACENT ENDS WHEREBY SAID EDGE PORTION MAY BE MOVED INTO AND OUT OF THE SPACE BETWEEN SAID CONDUIT ENDS; AT LEAST ONE OPENING THROUGH SAID DISC IN ALIGNMENT WITH SAID CONDUITS; AN ANNULAR SUPPORT IN SAID OPENING AND SLIDABLY MOUNTED THEREIN FOR MOVEMENT TOWARD AND FROM SEALING ENGAGEMENT WITH AN ADJACENT END OF ONE OF SAID CONDUITS; A FILTER CAPSULE SPANNING THE INTERIOR OF SAID ANNULAR SUPPORT; SPRING MEANS BETWEEN SAID DISC AND SUPPORT AND URGING SAID SUPPORT WAY FROM SAID ONE CONDUIT END AND TOWARD SAID DISC; SELECTIVELY OPERABLE MEANS FOR MOVING SAID SUPPORT INTO SEALING ENGAGEMENT WITH SAID ONE CONDUIT END, AGAINST THE ACTION OF SAID SPRING; AND MEANS DEFINING AN ENCLOSURE HOUSING SAID DISC AND SAID ADJACENT ENDS.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-06-19 1970-12-19 1971-06-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-06-19 1974-12-19 1975-06-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-06-19 1978-12-19 1979-06-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag