Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1994-11-08
1996-05-21
Coan, James F.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
53559, 53579, B65B 4112, B65B 4702, B65B 6502
Patent
active
055178057
ABSTRACT:
A vacuum-packaging machine is provided with a drive mechanism for each of the tools at the forming and sealing stations that not only vertically reciprocate the tools, but which also horizontally reciprocate the tools. Before the next section of the film being processed reaches the forming or sealing station, the respective tool at each station is moved in the same direction as the film, while being simultaneously lifted up toward the film. As that section comes to a halt at the station, the tool is already raised into close juxtaposition to the film for performing its work. The tool is then raised the final quantum amount in order to start either the forming or the sealing process. As soon as the forming or sealing process has been completed, both the conveyer chain and the tools are actuated for forward, downstream movement. The tools, in addition to their forward, horizontal movement, also drop down, in order to clear the packages to allow unobstructed passage of the film.
REFERENCES:
patent: 3808772 (1974-05-01), Turtschan
patent: 4209957 (1980-07-01), Utzmann
patent: 4329830 (1982-05-01), Omori
patent: 4840691 (1989-06-01), Knape
patent: 4951444 (1990-08-01), Epstein
patent: 5170611 (1992-12-01), Buchko et al.
"The Tiromat VA"; Kramer & Grebe product literature. (No Date).
Benn Marvin N.
Coan James F.
Gerstein Milton S.
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