US2746360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for making folding plastic containers
Assignee: Troth Bright Page Inc
•
Filing: 1952-05-09
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Granted: 1956-05-22
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Expires: 1972-05-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Stanley Bright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:47
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/0254; B31; B31B; B31B50/00; B31B50/14; B31B50/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A METHOD OF MAKING A SEAMLESS PLASTIC FOLDING CONTAINER BLANK FROM AN EXTRUDED PLASTIC TUBE COMPRISING FLATTENING SAID TUBE TO FORM FOLDED SIDE EDGES, CUTTING A BLANK FROM SAID FLATTENED TUBE, INSERTING A FLAT RIGID MANDREL HAVING SCORING RIDGES MOUNTED THEREON BETWEEN THE WALLS OF SAID BLANK, CONTACTING CUTTING KNIVES TO EACH WALL OF SAID BLANK UNDER SUFFICIENT PRESSURE TO CUT COMPLETELY THROUGH SAID WALLS ALONG PREDETERMINED CUTTING LINES, CONTACTING RESILIENT PADS FORCIBLY AGAINST SAID WALLS TO PRESS THE WALLS AGAINST THE SCORING RIDGES OF SAID MANDREL SUFFICIENT TO SCORE SAID WALLS, AND SERVING A PORTION OF EACH FOLDED SIDE EDGE SUFFICIENT TO FORM CLOSING FLAPS AT EACH END OF THE BLANK.
Claim 2
Independent Claim
112 words
A METHOD OF MAKING A SEAMLESS PLASTIC FOLDING CONTAINER BLANK FROM AN EXTRUDED PLASTIC TUBE COMPRISING FLATTENING SAID TUBE TO FORM FOLDED SIDE EDGES, CUTTING A BLANK FROM SAID FLATTENED TUBE, INSERTING A FLAT RIGID MANDREL HAVING SCORING RIDGES MOUNTED THEREON BETWEEN THE WALLS OF SAID BLANK, CONTACTING CUTTING KNIVES TO EACH WALL OF SAID BLANK UNDER SUFFICIENT PRESSURE TO CUT COMPLETELY THROUGH SAID WALLS ALONG PREDETERMINED CUTTING LINES, CONTACTING RESILIENT PADS FORCIBLY AGAINST SAID WALLS TO PRESS THE WALLS AGAINST THE SCORING RIDGES OF SAID MANDREL SUFFICIENT TO SCORE SAID WALLS, AND SERVING A PORTION OF EACH FOLDED SIDE EDGE SUFFICIENT TO FORM CLOSING FLAPS AT EACH END OF THE BLANK.
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) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |