US3174892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for bonding thermoplastic materials with residual heat
Assignee: WEILS Manufacturing CO
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Filing: 1962-03-02
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Granted: 1965-03-23
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Expires: 1982-03-02
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Fichtner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:02
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/224; B29C65/228; B29C65/229; B29C65/24; B29C65/242; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81421; B29C66/81422; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/832; B29C66/8322; B29C66/84; B29C66/861; B65; B65B; B65B51/00; B65B51/10; B65B51/14; B65B51/148
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
APPARATUS FOR BONDING THERMOPLASTIC MATERIALS TOGETHER WHICH COMPRISES: (A) A FRAME HAVING (1) A SEALING STATION THEREON ADAPTED TO RECEIVE THERMOPLASTIC MATERIALS TO BE BONDED AND (2) A HEATING STATION THEREON, (B) A HEAT CONDUCTOR HAVING A LOW HEAT CAPACITY, (C) RECIPROCATING MEANS MOUNTING SAID HEAT CONDUCTOR ON SAID FRAME FOR MOVEMENT BACK AND FORTH BETWEEN SAID SEALING AND HEATING STATIONS, AND (D) HEATER MEANS MOUNTED AT SAID HEATING STATION FOR ENGAGING AAND HEATING SAID HEAT CONDUCTOR ONLY WHEN SAID HEAT CONDUCTOR IS AT SAID HEATING STATION.
Claim 2
Dependent Claim
87 words
APPARATUS FOR BONDING THERMOPLASTIC MATERIALS TOGETHER WHICH COMPRISES: (A) A FRAME HAVING (1) A SEALING STATION THEREON ADAPTED TO RECEIVE THERMOPLASTIC MATERIALS TO BE BONDED AND (2) A HEATING STATION THEREON, (B) A HEAT CONDUCTOR HAVING A LOW HEAT CAPACITY, (C) RECIPROCATING MEANS MOUNTING SAID HEAT CONDUCTOR ON SAID FRAME FOR MOVEMENT BACK AND FORTH BETWEEN SAID SEALING AND HEATING STATIONS, AND (D) HEATER MEANS MOUNTED AT SAID HEATING STATION FOR ENGAGING AAND HEATING SAID HEAT CONDUCTOR ONLY WHEN SAID HEAT CONDUCTOR IS AT SAID HEATING STATION.
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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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |