US3338770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for heat-sealing films
Assignee: EIDP Inc
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Filing: 1963-10-18
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Granted: 1967-08-29
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Expires: 1983-10-18
Abstract
No abstract record available.
Inventors
- 👤 Billingsley John George Selby
- 👤 D Angelo Joseph John
- 👤 Lubisco Albert
- 👤 Maros Frank George
- 👤 Stephan Paul Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:22
CPC Classifications
B; B65; B65B; B65B57/00; B65B57/02; B65B57/04; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/80; B29C66/82; B29C66/822; B29C66/8221; B29C66/824; B29C66/8242; B29C66/83; B29C66/836; B65B51/00; B65B51/10; B65B51/14; B29C66/70; B29C66/71; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1739
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
175 words
APPARATUS COMPRISING IN COOPERATIVE ASSOCIATION A FRAME, MEANS FOR SUPPLYING A PLURALITY OF HEAT-SEALABLE FILM STRUCTURES SECURED TO SAID FRAME, MEANS ATTACHED TO SAID FRAME FOR SUPPORTING SAID FILM STRUCTURES IN A SUBSTANTIALLY FLAT AND HORIZONTAL PLANE WITH THE EDGE PORTIONS OF ADJACENT FILM STRUCTURES IN OVERLAPPED RELATION, HEATSEALING MEANS ATTACHED TO SAID FRAME ADAPTED TO CONTACT SAID OVERLAPPED EDGE PORTIONS OF SAID FILM STRUCTURES FOR APPLYING HEAT AND PRESSURE THERETO AND UNITING SAID OVERLAPPED EDGE PORTIONS TO PROVIDE A UNITARY AND CONTINUOUS WEB OF FILM, DRIVE MEANS ROTATABLY SECURED TO SAID FRAME ADAPTED TO ENGAGE SAID UNITARY AND CONTINUOUS WEB OF FILM THEREBY TO DRAW SAID FILM FROM AND THROUGH SAID HEATSEALING MEANS, AND CONTROL MEANS COOPERATIVELY ASSOCIATED WITH SAID HEAT-SEALING MEANS AND SAID DRIVE MEANS IN COMBINATION WITH A ROTATABLE MEMBER DISPOSED IN SAID FRAME ADAPTED TO ENGAGE SAID UNITARY AND CONTINUOUS WEB OF FILM WHEREBY SAID ROTATABLE MEMBER RESPONSIVE TO THE MOVEMENT OF SAID WEB OF FILM THEREOVER ACTUATES SAID CONTROL MEANS FOR RENDERING OPERATIVE SAID HEAT-SEALING MEANS AND SAID DRIVE MEANS.
Claim 2
Dependent Claim
175 words
APPARATUS COMPRISING IN COOPERATIVE ASSOCIATION A FRAME, MEANS FOR SUPPLYING A PLURALITY OF HEAT-SEALABLE FILM STRUCTURES SECURED TO SAID FRAME, MEANS ATTACHED TO SAID FRAME FOR SUPPORTING SAID FILM STRUCTURES IN A SUBSTANTIALLY FLAT AND HORIZONTAL PLANE WITH THE EDGE PORTIONS OF ADJACENT FILM STRUCTURES IN OVERLAPPED RELATION, HEATSEALING MEANS ATTACHED TO SAID FRAME ADAPTED TO CONTACT SAID OVERLAPPED EDGE PORTIONS OF SAID FILM STRUCTURES FOR APPLYING HEAT AND PRESSURE THERETO AND UNITING SAID OVERLAPPED EDGE PORTIONS TO PROVIDE A UNITARY AND CONTINUOUS WEB OF FILM, DRIVE MEANS ROTATABLY SECURED TO SAID FRAME ADAPTED TO ENGAGE SAID UNITARY AND CONTINUOUS WEB OF FILM THEREBY TO DRAW SAID FILM FROM AND THROUGH SAID HEATSEALING MEANS, AND CONTROL MEANS COOPERATIVELY ASSOCIATED WITH SAID HEAT-SEALING MEANS AND SAID DRIVE MEANS IN COMBINATION WITH A ROTATABLE MEMBER DISPOSED IN SAID FRAME ADAPTED TO ENGAGE SAID UNITARY AND CONTINUOUS WEB OF FILM WHEREBY SAID ROTATABLE MEMBER RESPONSIVE TO THE MOVEMENT OF SAID WEB OF FILM THEREOVER ACTUATES SAID CONTROL MEANS FOR RENDERING OPERATIVE SAID HEAT-SEALING MEANS AND SAID DRIVE MEANS.
Claim 3
Dependent Claim
115 words
THE FILM-COMBINING APPARATUS OF CLAIM 1 WHEREIN SAID CONTROL MEANS COMPRISES AN ELECTRIC SWITCH IN COOPERATIVE ASSOCIATION WITH A DANCER ROLL UNDER WHICH SAID UNITARY AND CONTINUOUS WEB OF FILM PASSES CAUSING SAID DANCER ROLL TO RISE AND FALL IN A VERTICAL PATH ACCORDING TO THE MOVEMENT OF SAID WEB; A BEARING POSITIONED AT ONE END OF SAID DANCER ROLL; A LEVER ARM POSITIONED NEAR THE LOWER ESTREMITY OF THE VERTICAL TRAVEL OF SAID DANCER ROLL AND EXTENDING UNDER SAID BEARING FOR ACTUATING SAID SWITCH THEREBY TO CONTROL THE SPEED OF SAID DRIVE MEANS, INCLUDING A SECOND SWITCH ACTUATED BY SAID LEVER ARM FOR STARTING AND STOPPING SAID DRIVE MEANS AND ACTUATING SAID HEAT-SEALING MEANS.
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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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |