Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With separate heating means for work
Patent
1981-02-17
1983-05-24
Dawson, Robert A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With separate heating means for work
83151, 156 70, 156521, 156566, 198655, 206460, 206495, 493379, 493383, B32B 3100
Patent
active
043849156
ABSTRACT:
A cam operated gripper driven by an endless chain receives at a feed station a wrapped straw having a heat-bondable portion and carries the straw to a bonding section. The gripper is associated with an electric heater which is in contact with the gripped straw. In the bonding section, an electric power supply rail is provided so that a collector of the heater slides on the rail, energizing the electric heater to heat the heat-bondable portion of the wrapped straw. In the bonding section, the heater is also pressed against the carton travelling in a production line at the same speed as the moving speed of the heater with the heat-bondable portion of the wrapped film therebetween. Thus one film wrapper is heat-bonded to each carton. After the completion of bonding, the cam operated gripper releases the straw allowing the straw to remain attached on the carton.
REFERENCES:
patent: 2013475 (1935-09-01), Orton
patent: 2435267 (1948-02-01), Cahn
patent: 3440116 (1969-04-01), Whitecar
patent: 3461647 (1969-08-01), Haines
patent: 4233331 (1980-11-01), Lemke et al.
patent: 4293369 (1981-10-01), Dilot et al.
Dawson Robert A.
Tetra Pak International Aktiebolag
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