Patent US3287199A successfully refreshed from Google Patents.
US3287199A
Expired / Lapsed
US
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Jaw assembly for container forming and filling machine
Assignee: Triangle Package Machinery Co
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Filing: 1963-10-24
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Granted: 1966-11-22
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Expires: 1983-10-24
Abstract
No abstract record available.
Inventors
- 👤 Norman A Virta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:42
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C65/74; B29C65/741; B29C65/7411; B29C65/7412; B29C65/743; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/343; B29C66/3432; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; B29C66/84; B29C66/849; B65; B65B; B65B51/00; B65B51/10; B65B51/26; B65B51/30; B65B51/303; B29C65/745; B29C65/7453; B29C66/81411; B29C66/81421; B29C66/81422; B29K; B29K2101/00; B29K2101/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A JAW ASSEMBLY FOR A PACKAGING MACHINE WHEREIN A HEAT SEALABLE WEB OF FILM IS FORMED INTO A CONTAINER, THEN FILLED AND SEALED, SAID ASSEMBLY COMPRISING, (A) SPACED PAIRS OF CLAMPING JAWS (1) SPACED LONGITUDINALLY OF SAID WEB OF FILM AND (2) ADAPTED TO CLAMP THE FILM THEREBETWEEN, (B) MEANS TO EFFECT SLACK IN THAT PORTION OF THE FILM BETWEEN SAID SPACED PAIRS OF CLAMPING JAWS, (C) SEALING MEANS FOR SEALING THE FILM IN SAID SLACK PORTION THEREOF BETWEEN SAID SPACED PAIRS OF CLAMPING JAWS, SAID SEALING MEANS INCLUDING, (1) A PAIR OF SEALER JAWS MOVABLE TOWARD EACH OTHER INTO SEALING POSITION WHEREIN THE FILM IS GRIPPED THEREBETWEEN, AND (D) MEANS FOR MAINTANING SAID SEALED JAWS SEPARATED UNTIL AFTER SAID CLAMPING JAWS CLAMP THE FILM THEREBETWEEN AND ATTAIN SUBSTANTIALLY THE MAXIMUM CLAMPING PRESSURE THEREOF.
Claim 2
Dependent Claim
134 words
A JAW ASSEMBLY FOR A PACKAGING MACHINE WHEREIN A HEAT SEALABLE WEB OF FILM IS FORMED INTO A CONTAINER, THEN FILLED AND SEALED, SAID ASSEMBLY COMPRISING, (A) SPACED PAIRS OF CLAMPING JAWS (1) SPACED LONGITUDINALLY OF SAID WEB OF FILM AND (2) ADAPTED TO CLAMP THE FILM THEREBETWEEN, (B) MEANS TO EFFECT SLACK IN THAT PORTION OF THE FILM BETWEEN SAID SPACED PAIRS OF CLAMPING JAWS, (C) SEALING MEANS FOR SEALING THE FILM IN SAID SLACK PORTION THEREOF BETWEEN SAID SPACED PAIRS OF CLAMPING JAWS, SAID SEALING MEANS INCLUDING, (1) A PAIR OF SEALER JAWS MOVABLE TOWARD EACH OTHER INTO SEALING POSITION WHEREIN THE FILM IS GRIPPED THEREBETWEEN, AND (D) MEANS FOR MAINTANING SAID SEALED JAWS SEPARATED UNTIL AFTER SAID CLAMPING JAWS CLAMP THE FILM THEREBETWEEN AND ATTAIN SUBSTANTIALLY THE MAXIMUM CLAMPING PRESSURE THEREOF.
References Cited (Backward Citations)
US3061989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |