Dispenser tube holder

Details Dispenser tube holder Dispenser tube holder

1988-03-25

1990-03-06

Watkins, Donald

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 552, 242 553, 206408, B65D 8567, B65D 85671

Patent

active

049059238

ABSTRACT:
A holder for rotatably retaining a roll dispenser tube in its carton includes a self-tapping screw for piercing opposite ends of the carton and engaging the inside of the tube. Each screw has a shallow head forming a thumbturn that occupies minimal space outside of the carton. In one configuration, the shank of each screw forms a sharp cone-shaped root surface having a first thread member extending from the apex to the head member, and a second thread member displaced 180: from the first and extending from the head toward the apex, but not necessarily reaching it.

REFERENCES:
patent: 1676854 (1928-07-01), Casterline
patent: 2803339 (1957-08-01), Kuchenbecker
patent: 2822084 (1958-02-01), Eilertsen
patent: 2840319 (1958-06-01), Danko
patent: 3228519 (1966-01-01), Dong et al.
patent: 3981400 (1976-09-01), Quintana
patent: 4329099 (1982-05-01), Shimizu et al.
patent: 4444313 (1984-04-01), Tyson
patent: 4445645 (1984-05-01), Byer
patent: 4765475 (1988-08-01), Kayserian
patent: 4817796 (1989-04-01), Camillo et al.

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