One step pull tab cap-lining machine

Details One step pull tab cap-lining machine One step pull tab cap-lining machine

1990-02-16

1992-04-28

Meislin, D. S.

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

And with bending

413 63, B21D 5146

Patent

active

051083566

ABSTRACT:
A cap-lining machine is disclosed for producing cap liner inserts of the type used to provide a tamper evident seal on the tops of bottles and other containers. To facilitate removal of this seal, it is desirable to have a tab attached to one edge of the seal which can be grasped to pull the seal off the top of the bottle. The liner insert, with an attached tab, is formed in one step by a mating punch and die, each having first and second portions corresponding to the primary portion of the cap insert and the tab, respectively. The structure of the punch and die is such that the tab first is formed and then is folded beneath the main portion of the cap insert in a single operation. The punch includes a reciprocating tamper inside the main portion for pushing the cap insert, with the folded under tab, into a cap located beneath the punch.

REFERENCES:
patent: 1306920 (1919-06-01), Miller
patent: 4328905 (1982-05-01), Hardt
patent: 4341498 (1982-07-01), Ellis
patent: 4544080 (1985-10-01), Wright et al.
patent: 4728239 (1988-03-01), Kieran et al.
patent: 4754890 (1988-07-01), Ullman et al.

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