US2607696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of forming a food package
Assignee: Akzo Nobel UK PLC
•
Filing: 1948-01-28
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Granted: 1952-08-19
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Expires: 1968-01-28
Abstract
No abstract record available.
Inventors
- 👤 Walter B Kunz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:40
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/26; A; A22; A22C; A22C13/00; A22C13/0003; B29; B29C; B29C65/00; B29C65/48; B29C65/4805; B29C65/481; B29C65/482; B29C65/483; B29C65/52; B29C65/54; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/133; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/49; B29C66/70; B29C66/71; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81421; B29C66/81423; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B65B51/02; B65B9/00; B65B9/10; B65B9/20; A22C2013/0066; A22C2013/0069; B29C53/00; B29C53/36; B29C53/38; B29C53/48; B29C53/50; B29C66/72; B29C66/723; B29C66/7234; B29C66/72343; B29K; B29K2001/00; B29K2001/08; B29K2001/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
THE METHOD OF FORMING A FOOD PACKAGE BY SIMULTANEOUSLY FORMING A CONTAINER AND STUFFING THE CONTAINER WITH EDIBLE MATERIAL COMPRISING MOVING HYDROPHLIC CELLULOSIC SHEET MATERIAL HAVING EDGE PORTIONS IN LONGITUDINAL DIRECTION APPLYING AN AQUEOUS SOLUTION OF PARTIALLY POLYMERIZED MELAMINE-FORMALDEHYDE RESIN AND LACTIC ACID HAVING A PH OF 4.5 TO 5.5 TO AN EDGE PORTION OF THE HYDROPHILIC CELLULOSIC SHEET MATERIAL WHILE IT IS BEING MOVED IN A LONGITUDINAL DIRECTION AND THE EDGE PORTIONS ARE BEING POSITIONED IN OPPOSED RELATION, POSITIONING THE EDGE PORTIONS OF THE HYDROPHILIC CELLULOSIC SHEET MATERIAL IN OPPOSED RELATION WITH THE APPLIED RESIN SOLUTION BETWEEN THE OPPOSED EDGE PORTIONS, AND SUBJECTING THE OPPOSED EDGE PORTIONS OF THE HYDROPHILIC CELLULOSIC SHEET MATERIAL WHILE IT IS BEING MOVED IN A LONGITUDINAL DIRECTION TO HEAT AND PRESSURE SUFFICIENT TO ADVANCE THE POLYMERIZATION OF THE MELAMINE-FORMALDEHYDE RESIN TO THE HEAT-HARDENDED STATE TO JOIN AN SEAL TOGETHER THE EDGE PORTIONS OF THE HYDROPHILIC CELLULOSIC SHEET MATERIAL WHILE IT IS BEING MOVED IN A LONGITUDINAL DIRECTION, AND STUFFING THE CONTAINER WITH EDIBLE MATERIAL AS THE CONTAINER IS FORMED.
Claim 2
Independent Claim
175 words
THE METHOD OF FORMING A FOOD PACKAGE BY SIMULTANEOUSLY FORMING A CONTAINER AND STUFFING THE CONTAINER WITH EDIBLE MATERIAL COMPRISING MOVING HYDROPHLIC CELLULOSIC SHEET MATERIAL HAVING EDGE PORTIONS IN LONGITUDINAL DIRECTION APPLYING AN AQUEOUS SOLUTION OF PARTIALLY POLYMERIZED MELAMINE-FORMALDEHYDE RESIN AND LACTIC ACID HAVING A PH OF 4.5 TO 5.5 TO AN EDGE PORTION OF THE HYDROPHILIC CELLULOSIC SHEET MATERIAL WHILE IT IS BEING MOVED IN A LONGITUDINAL DIRECTION AND THE EDGE PORTIONS ARE BEING POSITIONED IN OPPOSED RELATION, POSITIONING THE EDGE PORTIONS OF THE HYDROPHILIC CELLULOSIC SHEET MATERIAL IN OPPOSED RELATION WITH THE APPLIED RESIN SOLUTION BETWEEN THE OPPOSED EDGE PORTIONS, AND SUBJECTING THE OPPOSED EDGE PORTIONS OF THE HYDROPHILIC CELLULOSIC SHEET MATERIAL WHILE IT IS BEING MOVED IN A LONGITUDINAL DIRECTION TO HEAT AND PRESSURE SUFFICIENT TO ADVANCE THE POLYMERIZATION OF THE MELAMINE-FORMALDEHYDE RESIN TO THE HEAT-HARDENDED STATE TO JOIN AN SEAL TOGETHER THE EDGE PORTIONS OF THE HYDROPHILIC CELLULOSIC SHEET MATERIAL WHILE IT IS BEING MOVED IN A LONGITUDINAL DIRECTION, AND STUFFING THE CONTAINER WITH EDIBLE MATERIAL AS THE CONTAINER IS FORMED.
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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) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |