Servo motor operated indexing motion packaging machine and metho

Details Servo motor operated indexing motion packaging machine and metho Servo motor operated indexing motion packaging machine and metho

1990-12-12

1993-04-27

Coan, James F.

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

53559, B65B 4702, B65B 4710

Patent

active

052051102

ABSTRACT:
An indexing motion apparatus and method for vacuum packaging of articles such as hot dogs, sliced luncheon meat, cheese or pharmaceuticals. A lower web of packaging material is indexingly advanced by a lower web drive driven in an indexing manner by a servo motor. Forming tooling is provided for vacuum forming the lower web to form one or more product cavities, and the forming tooling is movable between raised and lowered positions by a lifting and lowering system driven by a servo motor. A plug assist mechanism is provided for assisting the web to conform to the forming cavities. The plug assist mechanism is also movable in response to operation of servo motors, which actuate a pair of linear actuators. After the formed product cavities are loaded with product, the cavities are evacuated and an upper web applied to vacuum package the product. A slitting mechanism severs the upper and lower webs into individual product packages. The servo motors are programmable and provide accurate position of the components of the packaging machine, and also provide ease in changing the various parameters of the packaging machine according to the type of product being packaged.

REFERENCES:
patent: 3808772 (1974-05-01), Turtschan
patent: 4094127 (1978-06-01), Romagnoli
patent: 4894977 (1990-01-01), Rittinger et al.
patent: 4897985 (1990-02-01), Buchko et al.
patent: 4938001 (1990-07-01), Vico
patent: 4999979 (1991-03-01), Vicq

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