US2566151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for fdge-coating and bending sheet material
Assignee: Bird Inc
•
Filing: 1948-06-15
•
Granted: 1951-08-28
•
Expires: 1968-06-15
Abstract
No abstract record available.
Inventors
- 👤 William R Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:59
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/02; B29C53/04; B27; B27G; B27G5/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
THE METHOD OF BENDING FLAT SHEET BLANKS OF A MATERIAL CAPABLE OF BEING SOFTENED BY HEAT WHICH COMPRISES CONTINUOUSLY FEEDING SUCH BLANKS INTO A CONTINUOUS RIBBON, CUTTING A VSHAPED GROOVE IN LOWER FACE OF THE BLANKS IN THE TRAVELLING RIBBON, COATING THE V-SHAPED GROOVE WITH A THERMOPLASTIC ADHESIVE MATERIAL, HEATING THE UPPER FACE OF THE BLANKS IN THE REGION OF THE COATED GROOVE TO SOFTEN THEM WHILE SUPPORTING THE BLANKS SOLELY ON ONE SIDE OF THE GROOVE SO THAT THE UNSUPPORTED PARTS OF THE BLANKS SAG UNDER THEIR OWN WEIGHT AND THE BLANKS BEND ALONG A LINE ADJACENT THE APEX OF SAID GROOVE TO CLOSE THE GROOVE, AND COOLING THE BENT BLANKS WHILE THEY ARE IN BENT CONDITION.
Claim 2
Independent Claim
118 words
THE METHOD OF BENDING FLAT SHEET BLANKS OF A MATERIAL CAPABLE OF BEING SOFTENED BY HEAT WHICH COMPRISES CONTINUOUSLY FEEDING SUCH BLANKS INTO A CONTINUOUS RIBBON, CUTTING A VSHAPED GROOVE IN LOWER FACE OF THE BLANKS IN THE TRAVELLING RIBBON, COATING THE V-SHAPED GROOVE WITH A THERMOPLASTIC ADHESIVE MATERIAL, HEATING THE UPPER FACE OF THE BLANKS IN THE REGION OF THE COATED GROOVE TO SOFTEN THEM WHILE SUPPORTING THE BLANKS SOLELY ON ONE SIDE OF THE GROOVE SO THAT THE UNSUPPORTED PARTS OF THE BLANKS SAG UNDER THEIR OWN WEIGHT AND THE BLANKS BEND ALONG A LINE ADJACENT THE APEX OF SAID GROOVE TO CLOSE THE GROOVE, AND COOLING THE BENT BLANKS WHILE THEY ARE IN BENT CONDITION.
References Cited (Backward Citations)
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US2163757A
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US2101589A
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US2252539A
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US2296890A
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US2392734A
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US2431353A
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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) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |