Device for tightening caps on containers

Details Device for tightening caps on containers Device for tightening caps on containers

1998-08-10

1999-12-07

Sipos, John

Package making

Closing packages and filled receptacles

Separate closure applying

533315, B65B 320, B65B 728

Patent

active

059963115

ABSTRACT:
A plurality of containers on which untightened threaded caps are deposited are transported in a circular path synchronously with a cap tightening device for each container. The devices have a substantial vertical reciprocable non-rotatable shaft on which a cylindrical member is rotatable and a cylindrical housing is mounted to and is axially adjustable on the member. A spool of magnetic metal is rotatable on the shaft and is adapted for engaging a cap to turn and tighten it. Magnetizable and magnetized elements are arranged with the housing concentrically to the spool. While being transported the housings of the devices engage a stationary driver which turns the housings consecutively so the spools turn by virtue of magnetic coupling between the magnetic elements and the spool.

REFERENCES:
patent: 3184897 (1965-05-01), Shriner
patent: 4178732 (1979-12-01), Pfleger
patent: 4485609 (1984-12-01), Kowal
patent: 4492068 (1985-01-01), Obrist
patent: 4674264 (1987-06-01), Ellis et al.
patent: 5284001 (1994-02-01), Ocha
patent: 5313765 (1994-05-01), Martin
patent: 5490369 (1996-02-01), Ellis et al.

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