Patent US3310255A successfully refreshed from Google Patents.
US3310255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spiral looper
Assignee: T Sendzimir Inc
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Filing: 1964-11-09
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Granted: 1967-03-21
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Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Sendzimir Tadeusz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:11
CPC Classifications
B; B21; B21B; B21B41/00; B21B41/06; B21C; B21C49/00; B65; B65H; B65H19/00; B65H19/10; B65H19/14; B65H20/00; B65H20/24; B65H20/26; C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; B65H2408/00; B65H2408/20; B65H2408/21; B65H2408/211
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
249 words
IN A SPIRAL LOOPER MECHANISM, MEANS FOR FORMING A MOVING STRIP OF MATERIAL INTO A FIRST SPIRAL COIL BY ADDING THE SAID MATERIAL TO THE COIL TO FORM CONVOLUTIONS THEREOF, MEANS FOR FORMING A SECOND SPIRAL COIL FROM STRIP MATERIAL WITHDRAWN FROM THE FIRST SPIRAL COIL SO THAT SAID MATERIAL SO WITHDRAWN FORMS CONVOLUTIONS OF THE SECOND SPIRAL COIL, MEANS FOR SELECTIVELY ROTATING THE SAID SPIRAL COILS AT THE SAME AND AT DIFFERENT SPEEDS, A GUIDE MEANS FOR CONDUCTING THE SAID STRIP MATERIAL FROM THE FIRST SPIRAL COIL TO THE SECOND SPIRAL COIL, AND MEANS FOR SELECTIVELY REVOLVING THE SAID GUIDING MEANS WITH RESPECT TO THE SAID SPIRAL COILS, SO THAT THE SAID STRIP MATERIAL MAY BE FED INTO SAID FIRST SPIRAL COIL AND WITHDRAWN FROM SAID SECOND SPIRAL COIL AT EQUAL LINEAR SPEEDS, IN WHICH EVENT THE SAID GUIDING MEANS REMAINS STATIONARY, AND SO THAT SAID STRIP MATERIAL MAY BE ACCUMULATED IN THE SAID SPIRAL COILS BY FEEDING THE SAID STRIP INTO THE FIRST SPIRAL COIL AT A GREATER LINEAR SPEED THAN THE SPEED OF WITHDRAWAL OF THE STRIP MATERIAL FROM THE SECOND SPIRAL COIL, WITH THE REVOLVING OF THE SAID GUIDE MEANS IN ONE DIRECTION, AND SO THAT THE STRIP MATERIAL MAY BE DEPLETED IN THE SAID SPIRAL COILS BY WITHDRAWING THE MATERIAL FROM THE SECOND SPIRAL COIL AT A GREATER LINEAR SPEED THAN THE SPEED OF FEEDING THE SAID STRIP MATERIAL INTO THE FIRST SPIRAL COIL, UPON REVOLVING THE SAID GUIDE MEANS IN THE OPPOSITE DIRECTION.
Claim 2
Dependent Claim
249 words
IN A SPIRAL LOOPER MECHANISM, MEANS FOR FORMING A MOVING STRIP OF MATERIAL INTO A FIRST SPIRAL COIL BY ADDING THE SAID MATERIAL TO THE COIL TO FORM CONVOLUTIONS THEREOF, MEANS FOR FORMING A SECOND SPIRAL COIL FROM STRIP MATERIAL WITHDRAWN FROM THE FIRST SPIRAL COIL SO THAT SAID MATERIAL SO WITHDRAWN FORMS CONVOLUTIONS OF THE SECOND SPIRAL COIL, MEANS FOR SELECTIVELY ROTATING THE SAID SPIRAL COILS AT THE SAME AND AT DIFFERENT SPEEDS, A GUIDE MEANS FOR CONDUCTING THE SAID STRIP MATERIAL FROM THE FIRST SPIRAL COIL TO THE SECOND SPIRAL COIL, AND MEANS FOR SELECTIVELY REVOLVING THE SAID GUIDING MEANS WITH RESPECT TO THE SAID SPIRAL COILS, SO THAT THE SAID STRIP MATERIAL MAY BE FED INTO SAID FIRST SPIRAL COIL AND WITHDRAWN FROM SAID SECOND SPIRAL COIL AT EQUAL LINEAR SPEEDS, IN WHICH EVENT THE SAID GUIDING MEANS REMAINS STATIONARY, AND SO THAT SAID STRIP MATERIAL MAY BE ACCUMULATED IN THE SAID SPIRAL COILS BY FEEDING THE SAID STRIP INTO THE FIRST SPIRAL COIL AT A GREATER LINEAR SPEED THAN THE SPEED OF WITHDRAWAL OF THE STRIP MATERIAL FROM THE SECOND SPIRAL COIL, WITH THE REVOLVING OF THE SAID GUIDE MEANS IN ONE DIRECTION, AND SO THAT THE STRIP MATERIAL MAY BE DEPLETED IN THE SAID SPIRAL COILS BY WITHDRAWING THE MATERIAL FROM THE SECOND SPIRAL COIL AT A GREATER LINEAR SPEED THAN THE SPEED OF FEEDING THE SAID STRIP MATERIAL INTO THE FIRST SPIRAL COIL, UPON REVOLVING THE SAID GUIDE MEANS IN THE OPPOSITE DIRECTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |