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US3914153A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of and apparatus for fusion-bonding thermoplastic tape in strapping machine

Assignee: OGAWA HOSO SYSTEM KABUSHIKI KA
•
Filing: 1973-12-18
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Granted: 1975-10-21
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Expires: 1993-12-18
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Abstract

Abstract A device for sealing together overlapping ends of a thermoplastic tape wrapped around an article in which the leading end of the tape and the trailing portion of the tape are heated to fusion temperature by inserting a heating means between the overlapping portions of the tape and then moving the heating means followed closely by a pressing means for applying pressure along a line transversely of the tape to bond the thermoplastic portions of the tape.

Inventors

  • 👤 Eiichi Sato

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 11:41
CPC Classifications
B; B65; B65B; B65B13/00; B65B13/18; B65B13/24; B65B13/32; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1378

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 189 words
A DEVICE FOR FUSION BONDING TOGETHER THE OVERLAPPING PORTIONS OF A THERMOPLASTIC STRAPPNG TAPE DISPOSED AROUND AN ARTICLE COMPRISING MEANS FOR CLAMPING TOGETHER THE LEADING END OF SAID TAPE AND THE OVERLAPPING TRAILING PORTION THEREOF IN A FIXED POSITION WITH RESPECT TO THE ARTICLE MEANS FOR HEATING THE OVERLAPPING PORTIONS OF THE TAPE TO THE FUSION TEMPERATURE OF SAID THERMOPLASTIC TAPE, MEANS FOR INSERTING SAID HEATING MEANS BETWEEN THE OVERLAPPING PORTIONS OF THE TAPE ADJACENT THE CLAMPING MEANS, FOR EXERTING PRESSURE AGAINST THE OVERLAPPING PORTIONS OF THE TAPE ALONG A LINE TRANSVERSELY OF SAID PORTIONS OF THE TAPE AND DISPOSED BETWEEN THE CLAMPING MEANS AND SAID HEATING MEANS WHEN SAID HEATING MEANS IS INSERTED BETWEEN THE OVERLAPPING PORTIONS OF THE TAPE MEANS FOR CUTTING THE OUTER TRAILING PORTION OF THE TAPE TO PROVDE A TRAILING OF THE TAPE AND MEANS FOR MOVING SAID HEATING MEANS AND SAID PRESSURE EXERTING MEANS SIMULTANEOUSLY LONGITUDINALLY OF SAID TAPE TOWARD THE TRAILING END OF SAID TAPE WHEREBY THE OVERLAPPING PORTIONS OF THE TAPE PROGRESSIVELY HEATED AND SUBSTANTIALLY IMMEDIATELY THEREAFTER PRESSED TOGETHER TO FORM A SECURE BOND BETWEEN THE OVERLAPPING PORTIONS OF THE TAPE.
Claim 2
Independent Claim 189 words
A DEVICE FOR FUSION BONDING TOGETHER THE OVERLAPPING PORTIONS OF A THERMOPLASTIC STRAPPNG TAPE DISPOSED AROUND AN ARTICLE COMPRISING MEANS FOR CLAMPING TOGETHER THE LEADING END OF SAID TAPE AND THE OVERLAPPING TRAILING PORTION THEREOF IN A FIXED POSITION WITH RESPECT TO THE ARTICLE MEANS FOR HEATING THE OVERLAPPING PORTIONS OF THE TAPE TO THE FUSION TEMPERATURE OF SAID THERMOPLASTIC TAPE, MEANS FOR INSERTING SAID HEATING MEANS BETWEEN THE OVERLAPPING PORTIONS OF THE TAPE ADJACENT THE CLAMPING MEANS, FOR EXERTING PRESSURE AGAINST THE OVERLAPPING PORTIONS OF THE TAPE ALONG A LINE TRANSVERSELY OF SAID PORTIONS OF THE TAPE AND DISPOSED BETWEEN THE CLAMPING MEANS AND SAID HEATING MEANS WHEN SAID HEATING MEANS IS INSERTED BETWEEN THE OVERLAPPING PORTIONS OF THE TAPE MEANS FOR CUTTING THE OUTER TRAILING PORTION OF THE TAPE TO PROVDE A TRAILING OF THE TAPE AND MEANS FOR MOVING SAID HEATING MEANS AND SAID PRESSURE EXERTING MEANS SIMULTANEOUSLY LONGITUDINALLY OF SAID TAPE TOWARD THE TRAILING END OF SAID TAPE WHEREBY THE OVERLAPPING PORTIONS OF THE TAPE PROGRESSIVELY HEATED AND SUBSTANTIALLY IMMEDIATELY THEREAFTER PRESSED TOGETHER TO FORM A SECURE BOND BETWEEN THE OVERLAPPING PORTIONS OF THE TAPE.

References Cited (Backward Citations)

US2372737A Cited
US3306003A Cited
US3284982A Cited
US3269300A Cited
US3470814A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-10-20 1979-04-21 1979-10-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-10-20 1983-04-21 1983-10-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-10-20 1987-04-21 1987-10-21 $7700.00 Window Closed / Lapsed

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