Continuous motion package forming machine

Details Continuous motion package forming machine Continuous motion package forming machine

1988-10-06

1990-02-06

Coan, James F.

Package making

Apparatus for forming or partially forming receptacle and...

Forming a pocket, depression, or hollow compartment by...

53553, 83324, B65B 902, B65B 6502

Patent

active

048979856

ABSTRACT:
A continuous motion packaging machine which forms packages from overlying webs advanced along a path at a constant speed. A tooling carriage traverses a repetitive path which includes an "on-line" increment during which the tooling carriage matches web movement and package operations are performed. The tooling carriage is driven by linkage including a power input shaft operated at varying speeds throughout each cycle to maintain carriage position relative to the webs. Two brushless servo motors are used. One drives the webs, the other drives the tooling carriage. A computer program compares relative motor positions at points throughout each cycle to a pre-established position pattern and adjusts motor controller output to maintain one motor position relative to the sensed position of the other motor.

REFERENCES:
patent: 3129545 (1964-04-01), Sloan et al.
patent: 3782072 (1974-01-01), Sorensen etal.
patent: 3928941 (1975-12-01), Singer
patent: 4453436 (1984-06-01), Tokuno
patent: 4617850 (1986-10-01), Bishop

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