Method of feeding and applying ridged container closures

Details Method of feeding and applying ridged container closures Method of feeding and applying ridged container closures

1985-06-10

1987-09-08

Spruill, Robert L.

Package making

Methods

Closing package or filled receptacle

53313, 53316, 221222, B65B 728

Patent

active

046915010

ABSTRACT:
A plastic container lid which has a small ridge protruding from the outer periphery of the lid, at the top corner of the lid. The ridge provides a uniform taper in the outside diameter of the lid, enabling containers to be capped at high speeds by a method that utilizes a spinning rod feed mechanism. The ridged lid is formed by a novel method, utilizing a one-piece mold cavity, fitted with a one piece mold insert. Also disclosed is a method of fabricating the one-piece mold cavity.

REFERENCES:
patent: 3523355 (1970-08-01), Schlapkohl
patent: 3938697 (1976-02-01), Kinney
patent: 4095390 (1978-06-01), Knudsen
patent: 4312172 (1982-01-01), Fisher et al.

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