Apparatus and method for manufacturing tubing for reclosable bag

Details Apparatus and method for manufacturing tubing for reclosable bag Apparatus and method for manufacturing tubing for reclosable bag

1975-09-30

1976-09-14

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29200B, 29235, 29238, 29453, B23P 1102

Patent

active

RE0289590

ABSTRACT:
Extruding tubular bag material having interlocking profiles thereon and guiding the profiles together flattening the tube and interlocking the profiles.

REFERENCES:
patent: 2144755 (1939-01-01), Freedman
patent: 2548004 (1951-04-01), Duefrene
patent: 2558367 (1951-06-01), Madsen
patent: 2635332 (1953-04-01), Huntington
patent: 2666466 (1954-01-01), Sharat
patent: 2770032 (1956-11-01), Kelly
patent: 2990875 (1961-07-01), Samuels et al.
patent: 3000495 (1961-09-01), Downing
patent: 3033257 (1962-05-01), Weber
patent: 3198228 (1965-08-01), Naito
patent: 3291177 (1966-12-01), Naito

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