Tubular core assemblies for rolls of paper or other sheet materi

Details Tubular core assemblies for rolls of paper or other sheet materi Tubular core assemblies for rolls of paper or other sheet materi

1988-10-31

1989-10-17

Hail, III, Joseph J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

24211831, B65H 7518

Patent

active

048741396

ABSTRACT:
A tubular core assembly for a roll of paper or other sheet material has a hollow cylindrical core member formed by multiple wraps of paperboard material, and an annular collar within each opposite end portion of the core member. Each collar is a rigid body with an outer annular surface secured to the inner annular surface of the core member and an inner annular surface having a configuration complementary to the outer annular surface of a roll supporting chuck so that the chuck is receivable therein with a close fit.

REFERENCES:
patent: 659306 (1900-10-01), Kingsland
patent: 1684412 (1928-09-01), Reiner
patent: 2076870 (1937-04-01), Taylor
patent: 3194275 (1965-07-01), Biggs, Jr. et al.
patent: 3291413 (1966-12-01), Cushing et al.
patent: 3840194 (1974-10-01), Vetter
patent: 3980249 (1976-09-01), Cunningham et al.
patent: 4334630 (1982-06-01), Bergin
patent: 4462556 (1984-07-01), Graham, Jr.
patent: 4659031 (1987-04-01), Saraisky

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