US3281576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated thermoplastic cement extruder
Assignee: United Shoe Machinery Corp
•
Filing: 1964-04-06
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Granted: 1966-10-25
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 George H Cooper
- 👤 Albert E Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:05
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/00523; B05C17/00526; B05C17/0053; B05C17/00536; B29; B29B; B29B13/00; B29B13/02; B29B13/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A DEVICE FOR APPLYING THERMOPLASTIC ADHESIVE COMPRISING A FRAME, A BARREL MOUNTED ON SAID FRAME, SAID BARREL HAVING A PORTION WHICH IS HELICALLY WOUND, SAID BARREL HAVING AN INLET FOR RECEIVING A THERMOPLASTIC ROD AND AN OUTLET FOR DISPENSING MOLTEN THERMOPLASTIC, AN ELECTRICAL HEATING COIL WOUND AROUND SAID BARREL FOR IMPARTING HEAT TO THE BARREL, A THERMOSTAT FOR CONTROLLING THE HEATING ELEMENT, SAID THERMOSTAT BEING MOUNTED CENTRALLY OF THE HELIX FORMED BY THE WOUND PORTION OF SAID BARREL, SAID THERMOSTAT BEING IN HEAT EXCHANGE RELATIONSHIP WITH SUBSTANTIALLY THE FULL LENGTH OF THE WOUND PORTION OF SAID BARREL, AND MEANS MOUNTED ON SAID FRAME FOR FEEDING THE THERMOPLASTIC ROD TO THE INLET OF SAID BARREL.
Claim 2
Independent Claim
114 words
A DEVICE FOR APPLYING THERMOPLASTIC ADHESIVE COMPRISING A FRAME, A BARREL MOUNTED ON SAID FRAME, SAID BARREL HAVING A PORTION WHICH IS HELICALLY WOUND, SAID BARREL HAVING AN INLET FOR RECEIVING A THERMOPLASTIC ROD AND AN OUTLET FOR DISPENSING MOLTEN THERMOPLASTIC, AN ELECTRICAL HEATING COIL WOUND AROUND SAID BARREL FOR IMPARTING HEAT TO THE BARREL, A THERMOSTAT FOR CONTROLLING THE HEATING ELEMENT, SAID THERMOSTAT BEING MOUNTED CENTRALLY OF THE HELIX FORMED BY THE WOUND PORTION OF SAID BARREL, SAID THERMOSTAT BEING IN HEAT EXCHANGE RELATIONSHIP WITH SUBSTANTIALLY THE FULL LENGTH OF THE WOUND PORTION OF SAID BARREL, AND MEANS MOUNTED ON SAID FRAME FOR FEEDING THE THERMOPLASTIC ROD TO THE INLET OF SAID BARREL.
References Cited (Backward Citations)
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US2288248A
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US2673920A
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US2742142A
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US2982841A
Cited
US2995159A
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |