Device for attaching a screw cap to a container

Details Device for attaching a screw cap to a container Device for attaching a screw cap to a container

1986-02-19

1987-06-02

Culver, Horace M.

Package making

Closing packages and filled receptacles

Separate closure applying

B67B 106, B65B 728

Patent

active

046692509

ABSTRACT:
A device for attaching screw caps to containers has a screwing head driven by an electric motor. To avoid a high peak torque in tightening screw caps, the screwing head is coupled with the drive motor via a soft torsion coupling, which absorbs the energy of the masses that continue to rotate. The torsion coupling is embodied as a tube of a resilient elastomer. The screw cap is prevented from loosening as the masses revolve backward by means of a reverse movement stop which is associated with the screwing head.

REFERENCES:
patent: 3955341 (1976-05-01), Wilhere
patent: 4364218 (1982-12-01), Obrist
patent: 4494358 (1985-01-01), Zalkin

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