Closure conversion apparatus for existing closure applicating ma

Details Closure conversion apparatus for existing closure applicating ma Closure conversion apparatus for existing closure applicating ma

1980-01-09

1981-10-20

Culver, Horace M.

Package making

Convertible

533315, 53362, B67B 320, B65B 728

Patent

active

042953200

ABSTRACT:
This invention provides substitute capping heads to apply a threaded closure on a bottle neck through the utilization of existing machines which were designed to apply an aluminum closure on a bottle neck by in situ formation of the threads in an aluminum shell. The modified capping heads embodying this invention utilize the same rotational and vertical movements of the capping heads relative to the containers, but effect a frictional engagement with a pre-formed, internally threaded plastic closure to effect the screwing of such closure onto a bottle neck with the effective application torque being limited by a slip clutch incorporated in the drive train of the modified capping head. Such clutch is isolated from ambient humidity conditions, and in some modifications operates in an oil bath.

REFERENCES:
patent: 2076631 (1937-04-01), Gantzer
patent: 2359932 (1944-10-01), Newey
patent: 2819577 (1958-01-01), Dimond
patent: 3134211 (1964-05-01), Roberts et al.
patent: 3470667 (1969-10-01), David et al.
patent: 3524294 (1970-08-01), Koll
patent: 3537231 (1970-11-01), Dimond
patent: 3771284 (1973-11-01), Boeckmann et al.
patent: 4089153 (1978-05-01), Long
patent: 4099361 (1978-07-01), Dix et al.
patent: 4173104 (1979-11-01), Koll
patent: 4222215 (1980-09-01), Takano

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