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US3174892A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for bonding thermoplastic materials with residual heat

Assignee: WEILS Manufacturing CO
•
Filing: 1962-03-02
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Granted: 1965-03-23
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Expires: 1982-03-02
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Abstract

No abstract record available.

Inventors

  • 👤 Edwin C Fichtner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 23:26
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.

References Cited (Backward Citations)

US2562821A Cited
US2642919A Cited
US2833683A Cited
US3056712A Cited
US2951141A Cited
US3040154A Cited

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

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