Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1986-03-28
1987-05-05
Coan, James F.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
53 51, 53559, B65B 1152, B65B 5900
Patent
active
046621490
ABSTRACT:
This invention provides apparatus and a method for forming, filling, sealing and cutoff of a package in which a thermoform film rigid bottom member is formed in a forming station adjustably positioned on a base. A loading station and a sealing station like the forming station, also adjustably positioned, are also provided. Both the forming and sealing stations have an adjusting guide means in which the roll supply is carried on a tubular support and the guides are carried on a hingedly secured threaded rod. The lower film and sealing cover as a strip are advanced by edge clamp means, with a first pair of clamps adjustably positioned and carried by a support and a second pair of clamps adjustably positioned on a support reciprocably moved along slide rails by a rotary actuator with an actuated drag link and crank arm. The acceleration and deceleration are produced by the drag link and alternate clamping and unclamping of the strip by valve means.
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Coan James F.
Roberts Ralph R.
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