Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1980-12-19
1982-10-12
Kimlin, Edward C.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
493267, 493245, 493227, 229 55, 156227, C09J 502, B31B 114, B65D 3302
Patent
active
043537707
ABSTRACT:
For a method of welding multi-layer paper sacks with weldable inner surfaces, the outer layers are folded back from the weldable inner layer during welding. The welding energy reaches the inner layer directly. The welding process is substantially shortened in comparison with known methods, and both the production time and processing time with such paper sacks is reduced.
REFERENCES:
patent: 2709549 (1955-05-01), Haslacher
patent: 3133480 (1964-05-01), Gerard
patent: 4088264 (1978-05-01), Vogt
Falasco L.
Icoma Packtechnik GmbH
Kimlin Edward C.
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