US2876154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and methods for attaching connectors to plastic pipe ends
Assignee: Reflin Co
•
Filing: 1954-05-14
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Granted: 1959-03-03
•
Expires: 1974-05-14
Abstract
No abstract record available.
Inventors
- 👤 Ernest M Usab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:22
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/48; B29C65/50; B29C65/5007; B29C65/5035; B29C65/4805; B29C65/483; B29C65/5057; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; B29C66/70; B29C66/73; B29C66/731; B29C66/7316; B29C66/73161; F; F16; F16L; F16L47/00; F16L47/16; B29C66/02; B29C66/022; B29C66/0224; B29C66/71; Y; Y10; Y10S; Y10S285/00; Y10S285/915; Y10S285/919; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A METHOD OF INSTALLING A SLEEVE FITTING ON A PLASTIC PIPE END, INCLUDING THE STEPS OF: ROUGHENING EXTERNALLY AN END SECTION OF A CAST PLASTIC PIPE TO A LIMITED EXTENT AVOIDING WEAKENING OF THE PIPE; PLACING UPON THE PIPE. IN A POSITION BACK OF SAID END SECTION WHEREBY TO EXPOSE THE ROUGHENED PIPE END, A SLEEVE FITTING HAVING INTERNAL THREADS FOR NORMALLY OVERLYING THE ROUGHTENED PIPE END IN SLIGHTLY SPACED RELATION; WRAPPING AROUND SAID ROUGHENEND PIPE END A NORMALLY YIELDABLE FIBROUS CORD OF A SIZE TO FILL THE SPACES BETWEEN SAID THREADS AND THE ROUGHENED SURFACE OF THE PIPE END; APPLYING A FLUID SETTABLE PLASTIC RESIN MATERIAL TO SAID ROUGHENEND SURFACE AND TO SAID CORD TO SATURATE THE LATTER AND EMMBED THE SAME THEREIN; THEN MOVING SAID SLEEVE FITTING ALONG ON SAIDN PIPE END SECTION TO COVER SAID CORD AND EMBEDDING PLASTIC TIC MATERIAL AND TO CONFINE SAID CORD AND PLASTIC MATERIAL BETWEEN SAID THREADS AND ROUGHENED SURFACE AND FILL THE INTERVENING SPACE; AND EFFECTING SETTING OF SAID PLASTIC MATERIAL IN SAID INTERVENING SPACE TO BIND SAID FITTING ON SAID END OF SAID PIPE.
Claim 2
Independent Claim
184 words
A METHOD OF INSTALLING A SLEEVE FITTING ON A PLASTIC PIPE END, INCLUDING THE STEPS OF: ROUGHENING EXTERNALLY AN END SECTION OF A CAST PLASTIC PIPE TO A LIMITED EXTENT AVOIDING WEAKENING OF THE PIPE; PLACING UPON THE PIPE. IN A POSITION BACK OF SAID END SECTION WHEREBY TO EXPOSE THE ROUGHENED PIPE END, A SLEEVE FITTING HAVING INTERNAL THREADS FOR NORMALLY OVERLYING THE ROUGHTENED PIPE END IN SLIGHTLY SPACED RELATION; WRAPPING AROUND SAID ROUGHENEND PIPE END A NORMALLY YIELDABLE FIBROUS CORD OF A SIZE TO FILL THE SPACES BETWEEN SAID THREADS AND THE ROUGHENED SURFACE OF THE PIPE END; APPLYING A FLUID SETTABLE PLASTIC RESIN MATERIAL TO SAID ROUGHENEND SURFACE AND TO SAID CORD TO SATURATE THE LATTER AND EMMBED THE SAME THEREIN; THEN MOVING SAID SLEEVE FITTING ALONG ON SAIDN PIPE END SECTION TO COVER SAID CORD AND EMBEDDING PLASTIC TIC MATERIAL AND TO CONFINE SAID CORD AND PLASTIC MATERIAL BETWEEN SAID THREADS AND ROUGHENED SURFACE AND FILL THE INTERVENING SPACE; AND EFFECTING SETTING OF SAID PLASTIC MATERIAL IN SAID INTERVENING SPACE TO BIND SAID FITTING ON SAID END OF SAID PIPE.
References Cited (Backward Citations)
BE507685A
Cited
US180911A
Cited
US418247A
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US1876586A
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US1650737A
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US1869105A
Cited
US1827297A
Cited
US2051557A
Cited
US2053807A
Cited
US2313074A
Cited
US2283975A
Cited
US2346051A
Cited
US2366444A
Cited
US2502892A
Cited
US2498831A
Cited
US2638429A
Cited
US2617672A
Cited
US2687093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |