Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1984-01-24
1986-12-30
Culver, Horace M.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
53469, 53479, 53562, 53563, 53373, B65B 908, B65B 4310, B65B 4700, B65B 706
Patent
active
046319018
ABSTRACT:
The present invention relates to a unique method for packaging a product in individual packets constructed of a sheet of flexible material. In the method of the present invention, a sheet of flexible packaging material is formed into a generally U-shaped channel having spaced apart vertical sidewalls. The facing surfaces of the sidewalls are sealed at horizontally spaced apart locations to define a plurality of open top packets. A predetermined amount of a flowable product is introduced into each of the open top packets. Next, the upper corner portions of each individual packet are sealed and a prdetermined portion is cut from each upper corner. The upper corner portions of each packet then are pulled away from one another in a generally horizontal direction to urge the spaced apart upper marginal edges of the sidewalls of the packet toward one another. After the upper corner portions have been pulled away from one another, the upper marginal edges of the packets are sealed together to close the packet. The present invention also concerns an apparatus for packaging a product in individual packets, and a novel packet construction.
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patent: 2691857 (1954-10-01), Harker
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patent: 3382644 (1968-05-01), Vogt
patent: 3930350 (1976-01-01), Reid
patent: 4216639 (1980-08-01), Gautier
Chung Dennis E.
Chung Yun H.
Culver Horace M.
MPR Corporation
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