Plastic closure with mechanical pilfer-proof

Details Plastic closure with mechanical pilfer-proof Plastic closure with mechanical pilfer-proof

1984-12-10

1986-06-03

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

B65D 4134

Patent

active

045924759

ABSTRACT:
A plastic pilfer-proof that comprises a ring, a plurality of inwardly directed hooks joined to one edge of the ring by hinge portions, and a weakened region is integrally molded with a main closure portion comprising a closed end and a skirt extending from the closed end and having an edge to which the pilfer-proof is attached during the molding. The hooks define sectors of a generally frusto-conical shell and extend inwardly and upwardly toward the closed end from the remote end of the ring. The hooks are released from the mold by rotating a mold portion that forms the respective hidden surfaces of the hooks and by pivoting the hooks radially outwardly toward the respective parts of the inner surface of the ring with respect to which the hidden surfaces are juxtaposed.

REFERENCES:
patent: 3463341 (1969-08-01), Fields
patent: 3861551 (1975-01-01), Hannon
patent: 3924769 (1975-12-01), Fillmore
patent: 4147268 (1979-04-01), Patel et al.
patent: 4190169 (1980-02-01), Pehr
patent: 4196818 (1980-04-01), Brownbill
patent: 4206851 (1980-06-01), Ostrowsky
patent: 4241842 (1980-12-01), Toeppen
patent: 4299328 (1981-11-01), Ochs et al.
patent: 4394918 (1983-07-01), Grussen
patent: 4398645 (1983-08-01), Toeppen
patent: 4401227 (1983-08-01), Pehr
patent: 4402418 (1983-09-01), Ostrowsky
patent: 4488655 (1984-12-01), Itsubo et al.

Affiliated with

Also associated with

Rating

Plastic closure with mechanical pilfer-proof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Plastic closure with mechanical pilfer-proof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Plastic closure with mechanical pilfer-proof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1228851