Method and apparatus for producing finished foam plastic contain

Details Method and apparatus for producing finished foam plastic contain Method and apparatus for producing finished foam plastic contain

1982-09-01

1984-06-12

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156368, B32B 100

Patent

active

044539983

ABSTRACT:
The present invention is directed to an improved apparatus and method for manufacturing completed foam plastic containers. An endless mandrel chain continuously carries cup forming mandrels along a manufacturing path. Cylindrical blanks are formed and transferred to the mandrels along the endless mandrel carrier chain. As the endless mandrel carrier chain passes the cylindrical blanks and associated bottom blanks through a heat shrink oven, it is important for the endless mandrel carrier chain to continuously travel in order to prevent the heat damage which would be present if the cup blanks were halted in the oven. Consequently, the present invention is directed to a system for synchronizing the cylindrical blank forming and transferring mechanisms and the bottom blank forming and transferring mechanisms to the endless mandrel carrier chain such that the blank forming and transferring stations may be halted from time to time to clear jams or add new sheet stock without the need to halt the endless mandrel carrier chain. The present invention is further directed to a method for synchronizing the cylindrical blank forming and transferring and bottom blank forming and transferring portions of the machine to the endless mandrel carrier chain when the blank forming and transferring stations are restarted.

REFERENCES:
patent: 3969173 (1976-07-01), Amberg
patent: 3970492 (1976-07-01), Amberg et al.
patent: 4072549 (1978-02-01), Amberg et al.

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