Method of making paint roller bearings

Details Method of making paint roller bearings Method of making paint roller bearings

1992-07-14

1993-11-23

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

2643281, 425577, 425DIG58, 249142, 249144, 249145, B29C 3934, B29C 4536

Patent

active

052641775

ABSTRACT:
An open and shut molding method of making a paint roller bearing with offsetting core support surface for use in paint roller applicators that permit the user to change a paint roller quickly and efficiently on a paint roller applicator by bringing together a first mold and a second mold until a portion of the molds contact each other to thereby provide central regions in the mold cavity to exclude moldable material therefrom and then flowing a moldable plastic material into the mold cavity formed between the first mold and the second mold and separating the first mold from the second mold to enable removable of a ready to use molded one piece paint roller bearing housing having a central opening extending therethrough for inserting of a shaft therein for rotatable supporting the ready to use paint roller bearing housing thereon.

REFERENCES:
patent: 2012800 (1935-08-01), Allen
patent: 2042015 (1936-05-01), Moormann
patent: 2403780 (1946-07-01), Barbieri
patent: 2525284 (1950-10-01), Camp
patent: 2949636 (1960-08-01), Mastin
patent: 3058158 (1962-10-01), Aghnides
patent: 3558394 (1971-01-01), Marby
patent: 4818462 (1989-04-01), Murano
patent: 4956142 (1990-09-01), Mangone, Jr.
patent: 5122052 (1992-06-01), Trame et al.

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