Quick fastener

Details Quick fastener Quick fastener

2008-05-13

2008-05-13

Bochna, David (Department: 3679)

Dispensing

Axially rotary and longitudinally movable tubes, sleeves, or...

Axial discharge

28, 28

Reexamination Certificate

active

07370777

ABSTRACT:
A quick-acting closure (1) for connecting a mixer tube (3) and a connecting part (2) of an extruder unit. The connecting part (2) has a connector (9) with a conical threaded base member, on which an external thread (12) is arranged. The mixer tube (3) has a conical threaded base member, on which an internal thread (19) is arranged. The internal thread (19) on the connector part (16) of the mixer tube (3) is a multi-path internal thread.

REFERENCES:
patent: 3473782 (1969-10-01), Gessic
patent: 4266813 (1981-05-01), Oliver
patent: 4340154 (1982-07-01), VanManen
patent: 4595123 (1986-06-01), Libit
patent: 5462317 (1995-10-01), Keller
patent: 5573281 (1996-11-01), Keller
patent: 5769466 (1998-06-01), Noel et al.
patent: 6129243 (2000-10-01), Pal et al.

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