Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1981-04-07
1983-06-14
Coan, James F.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
493 92, 493334, 493344, 493356, 493913, B65B 4308
Patent
active
043875491
ABSTRACT:
A cardboard pack for eggs, or the like, is made of two slitted blanks, the longer one of which is bent into flat-topped and flat-bottomed waves. After the wave bottoms are bonded by adhesive to the flat blank, the wave tops are tucked in and the waves flattened mechanically. After the adhesive bonding, the solid cross-strips at the ends of the flat blanks become unnecessary and are cut off. Precautions are taken to avoid undesired adhesion of strips previously separated by slitting. With the waves flattened, the blanks can be easily stored or transported. The blanks are set up at the place of filling by mechanically raising the waves, bending up the sides of the back to form pockets, inserting the goods, bending over the top strips, and securing them together on their line of abutment. The shorter set of blanks is preprinted.
REFERENCES:
patent: 2195916 (1940-04-01), Brown et al.
patent: 2741417 (1956-04-01), Rossum
patent: 2803933 (1957-08-01), Patin
patent: 2975683 (1961-03-01), Lehner-Stirnemann
patent: 3055152 (1962-09-01), Williams
patent: 3238693 (1966-03-01), Burt
patent: 3362609 (1968-01-01), Freedy
patent: 3983680 (1976-10-01), Casutt
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