Patent US3202559A successfully refreshed from Google Patents.
US3202559A
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Method of forming plastic bags with slide fastener tape assemblies welded thereto
Assignee: Ets Neb S A R L
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Filing: 1960-12-22
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Granted: 1965-08-24
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Expires: 1980-12-22
Abstract
No abstract record available.
Inventors
- 👤 Laguerre Leon Ker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:12
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/47; B29C66/474; B29C65/00; B29C65/02; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/472; B29C66/4722; B29C66/70; B29C66/71; B29D; B29D5/00; B29D5/10; B29C66/73; B29C66/739; B29C66/7392; B29L; B29L2005/00; B29L2031/00; B29L2031/712; B29L2031/7128; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/813; B31B70/8131; B31B70/8132; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/101; Y10T156/1052; Y10T156/1054; Y10T24/00; Y10T24/25; Y10T24/2532; Y10T24/2534
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A METHOD OF MANUFACTURING BAGS MADE OF PLASTIC MATERIAL PROVIDED ON THEIR UPPER EDGES WITH SLIDE FASTENER TAPES FORMED BY PROFILED STRIPS OF PLASTIC MATERIAL PROVIDED WITH LONGITUDINAL RIBS AND GROOVES HAVING COMPLEMENTARY PROFILED SECTIONS, EACH GROOVE OF ONE STRIP BEING ALIGNED WITH A CORRESPONDING RIB OF THE OTHER STRIP, WHEREBY THE RIBS AND GROOVES OF ONE STRIP ARE ENGAGED BY THE SLIDE INTO THE GROOVES AND RIBS OF THE OTHER TO CLOSE THE BAG AND CAN BE SEPARATED BY SAID SLIDE TO PROVIDE THE OPENING THEREOF, SAID METHOD COMPRISING THE STEP OF PROVIDING A CONTINOUS FILM OF PLASTIC MATERIAL, FOLDING SAID FILM ALONG A LINE PARALLEL TO ITS LONGITUDINAL AXIS AND SITUATED IN THE VICINITY THEREOF WHEREBY THE FREE LONGITUDINAL EDGES OF SAID FILM ARE SHIFTED LATTERALLY WITH RESPECT TO ONE ANOTHER SO THAT ONE EDGE PORTIONEXTENDS BEYOND THE OTHER, LAYING THE SAID PROFILED STRIPS IN A HEAD TO TAIL POSITION ON THE INNER FACES OF SAID SHIFTED EDGES RESPECTIVELY, PRESSING AND WELDING A LENGTH OF THE STRIPS ON THE RESPECTIVE FILM EDGES IN THE SAID POSITION, DISPLACING THE FOLDED FILM AND THE STRIPS LONGITUDINALLY ALONG A DISTANCE
Claim 2
Independent Claim
189 words
A METHOD OF MANUFACTURING BAGS MADE OF PLASTIC MATERIAL PROVIDED ON THEIR UPPER EDGES WITH SLIDE FASTENER TAPES FORMED BY PROFILED STRIPS OF PLASTIC MATERIAL PROVIDED WITH LONGITUDINAL RIBS AND GROOVES HAVING COMPLEMENTARY PROFILED SECTIONS, EACH GROOVE OF ONE STRIP BEING ALIGNED WITH A CORRESPONDING RIB OF THE OTHER STRIP, WHEREBY THE RIBS AND GROOVES OF ONE STRIP ARE ENGAGED BY THE SLIDE INTO THE GROOVES AND RIBS OF THE OTHER TO CLOSE THE BAG AND CAN BE SEPARATED BY SAID SLIDE TO PROVIDE THE OPENING THEREOF, SAID METHOD COMPRISING THE STEP OF PROVIDING A CONTINOUS FILM OF PLASTIC MATERIAL, FOLDING SAID FILM ALONG A LINE PARALLEL TO ITS LONGITUDINAL AXIS AND SITUATED IN THE VICINITY THEREOF WHEREBY THE FREE LONGITUDINAL EDGES OF SAID FILM ARE SHIFTED LATTERALLY WITH RESPECT TO ONE ANOTHER SO THAT ONE EDGE PORTIONEXTENDS BEYOND THE OTHER, LAYING THE SAID PROFILED STRIPS IN A HEAD TO TAIL POSITION ON THE INNER FACES OF SAID SHIFTED EDGES RESPECTIVELY, PRESSING AND WELDING A LENGTH OF THE STRIPS ON THE RESPECTIVE FILM EDGES IN THE SAID POSITION, DISPLACING THE FOLDED FILM AND THE STRIPS LONGITUDINALLY ALONG A DISTANCE
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |