Method and apparatus for automatically preparing flexible, dispo

Details Method and apparatus for automatically preparing flexible, dispo Method and apparatus for automatically preparing flexible, dispo

1982-01-18

1985-01-29

Spruill, Robert L.

Package making

Methods

Forming a cover adjunct or application of a cover adjunct to...

53133, 53436, 53528, 493465, B65B 6118

Patent

active

044957475

ABSTRACT:
In automatic preparation of flexible, disposable packing containers for materials such as eggs or fruits during intermittent transportation along a straight path of travel of each packing container, an opener cord is wound up and tied about the joint between receptacle and cover of the packing container while provisionally deforming, making use of the flexibility, the packing container so that the joint should assume an arcuate construction, and removal of deformation brings about tight winding-up of the joint so that pulling of the cord in a sealed packing container by users should enable easy opening of the packing container through breakage of the joint.

REFERENCES:
patent: 705134 (1902-07-01), Pope et al.
patent: 1190848 (1916-07-01), Batdorf
patent: 2982063 (1961-05-01), Coleman et al.
patent: 3568591 (1971-03-01), Dunlap
patent: 4111116 (1978-09-01), Ito et al.
patent: 4187773 (1980-02-01), Sampson

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