Eraser and process for its manufacture

Details Eraser and process for its manufacture Eraser and process for its manufacture

1981-11-06

1983-07-12

Ziegler, J.

Plastic and nonmetallic article shaping or treating: processes

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

Forming continuous work followed by cutting

264171, 264178R, 264211, 264236, 525239, B29C 1714

Patent

active

043930220

ABSTRACT:
An eraser based on polyvinyl chloride having particles of a crosslinked polymeric natural or synthetic rubber embedded in the polyvinyl chloride structure. Such erasers have high strength and good aging resistance. Additionally, conventional softeners in the eraser do not undergo significant migration and consequently, the eraser does not smudge. A process for manufacturing the eraser is also disclosed.

REFERENCES:
patent: 3786011 (1974-01-01), Price et al.
patent: 3936417 (1976-02-01), Ronden

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