Wind-off device

Details Wind-off device Wind-off device

2006-02-10

2008-10-21

Rivera, William A (Department: 3654)

Winding, tensioning, or guiding

Coil holder or support

Mounted coil holder or spindle

C242S596000, C242S599400

Reexamination Certificate

active

07438254

ABSTRACT:
A wind-off assistance device for coreless film rolls comprises two receiving element being insertable into a coreless film roll. The receiving element are connected to each other via a cylindrical connection element. The two receiving element are surrounded by a ring-shaped bearing so that the film roll is rotatably connected to the receiving element. A second bearing ring is located between the cylindrical connection element and the receiving element so that the connection element can be rotated on the receiving element.

REFERENCES:
patent: 3521833 (1970-07-01), Ridgeway, Jr. et al.
patent: 4171781 (1979-10-01), Kral et al.
patent: 5322234 (1994-06-01), Robert et al.
patent: 5597135 (1997-01-01), Vandersteene
patent: 6491252 (2002-12-01), Komatsu et al.
patent: 6883292 (2005-04-01), Chen

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