US3080863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for melting thermoplastic materials
Assignee: HS Crocker Co Inc
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Filing: 1961-08-21
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Granted: 1963-03-12
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 William H Stolle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:20
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/02; B29B13/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
APPARATUS FOR MELTING SOLID PIECES OF THERMOPLASTIC MATERIAL WHICH COMPRISES: A PAIR OF PRESSURE PLATES, HEATING MEANS CONNECTED TO ONE OF SAID PLATES FOR HEATING SAID ONE PLATE TO A TEMPERATURE ABOVE THE MELTING POINT OF THE THERMOPLASTIC MATERIAL TO BE MELTED, SUPPORT MEANS CONNECTED TO SAID PLATES FOR MOUNTING SAID PLATES GENERALLY PARALLEL TO EACH OTHER WITH SAID PLATES INCLINED TO A HORIZONTAL PLANE AT AN ANGLE EXCEEDING 10*, SAID SUPPORT MEANS INCLUDING RECIPROCABLE POWER MEANS FOR FORCING SAID PLATES TOGETHER, AND STOP MEANS MOUNTED ADJACENT TO THE LOWEST PORTION OF SAID PLATES FOR PREVENTING SOLID MATERIAL FROM PASSING FROM BETWEEN SAID PLATES WHILE PERMITTING LIQUID MATERIAL TO FLOW FREELY FROM BETWEEN SAID PLATES.
Claim 2
Dependent Claim
115 words
APPARATUS FOR MELTING SOLID PIECES OF THERMOPLASTIC MATERIAL WHICH COMPRISES: A PAIR OF PRESSURE PLATES, HEATING MEANS CONNECTED TO ONE OF SAID PLATES FOR HEATING SAID ONE PLATE TO A TEMPERATURE ABOVE THE MELTING POINT OF THE THERMOPLASTIC MATERIAL TO BE MELTED, SUPPORT MEANS CONNECTED TO SAID PLATES FOR MOUNTING SAID PLATES GENERALLY PARALLEL TO EACH OTHER WITH SAID PLATES INCLINED TO A HORIZONTAL PLANE AT AN ANGLE EXCEEDING 10*, SAID SUPPORT MEANS INCLUDING RECIPROCABLE POWER MEANS FOR FORCING SAID PLATES TOGETHER, AND STOP MEANS MOUNTED ADJACENT TO THE LOWEST PORTION OF SAID PLATES FOR PREVENTING SOLID MATERIAL FROM PASSING FROM BETWEEN SAID PLATES WHILE PERMITTING LIQUID MATERIAL TO FLOW FREELY FROM BETWEEN SAID PLATES.
References Cited (Backward Citations)
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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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |