Pricker roll

Details Pricker roll Pricker roll

1975-02-03

1976-07-13

Hoag, W.E.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Making hole or aperture in article

83 2, 83 30, 156 87, 156252, 264145, 264156, 264171, 264174, 264175, 264294, B29H 306, B29H 902

Patent

active

039694585

ABSTRACT:
A pricker roll used with a machine for calendering reinforcement tire cords with rubber material. The pricker roll produces a pattern of cuts in the thin sheets of rubber material to allow the escapement of air entrapped in the material during the sheet-forming process.

REFERENCES:
patent: 2186771 (1940-01-01), Smith
patent: 2770282 (1956-11-01), Herzegh
patent: 3019149 (1962-01-01), Bruber
patent: 3062269 (1962-11-01), Hurst et al.
patent: 3551270 (1970-12-01), Sharkey
patent: 3607561 (1971-09-01), Hutz

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