Capping heads with a magnetic clutch

Details Capping heads with a magnetic clutch Capping heads with a magnetic clutch

2007-06-28

2008-10-14

Truong, Thanh K (Department: 3721)

Package making

Closing packages and filled receptacles

Separate closure applying

C053S317000, C053S343000, C053S490000, C192S056400, C192S056410

Reexamination Certificate

active

07434370

ABSTRACT:
Capping head assemblies that are useful for applying pre-threaded closures onto containers with improved sensitivity.The novel features of the devices are a simple and novel means of adjusting the torque in a magnetic clutch assembly. In addition, the advantage of preventing contamination by water and other liquids during the filling and capping of liquid containers, and further, have the capability of being greased without having to disassemble the device. In addition, these can be accomplished without changing the capability of being able to read the adjustment scales on the outside surface of the magnetic clutch assembly and the adjustment scales on the outside surface of the upper spring assembly for adjusting the tension in the spring.

REFERENCES:
patent: 4222215 (1980-09-01), Takano
patent: 4246738 (1981-01-01), Ono
patent: 4364218 (1982-12-01), Obrist
patent: 4674264 (1987-06-01), Ellis et al.
patent: 5197258 (1993-03-01), Johanek
patent: 5437139 (1995-08-01), Martin
patent: 5490369 (1996-02-01), Ellis et al.
patent: 5714820 (1998-02-01), Mitsuhashi et al.
patent: 5809742 (1998-09-01), Takakusaki et al.
patent: 6240678 (2001-06-01), Spether
patent: 7181892 (2007-02-01), Scott et al.

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