Method of cutting and grinding porous pen tips

Details Method of cutting and grinding porous pen tips Method of cutting and grinding porous pen tips

1975-06-02

1976-12-21

Hoag, Willard E.

Coating processes

Interior of hollow article coating

83 22, 264138, 264145, 264157, 264162, 264232, 264296, 264297, 264340, 427293, B29C 1710, B29C 1714

Patent

active

039989828

ABSTRACT:
A method of increasing the resistance of delicate, elongated objects made of polymeric compositions, to fracturing, shattering, and splintering during application of stress forces during cutting, shearing or grinding, thereby permitting the formation of shorter finished objects with appropriately and smoothly contured ends from a long stock object. Differently stated, the present invention relates to a method of preparing an elongated, rod-like object composed of several plastic, polymeric compositions, having channels formed therein and extending longitudinally thereof, for subsequent cutting of such long object into short lengths with desirably shaped end surfaces.

REFERENCES:
patent: 2182193 (1939-12-01), Blaschke
patent: 2994923 (1961-08-01), Eddy
patent: 3400998 (1968-09-01), Daugherty et al.
patent: 3480372 (1969-11-01), Kenny et al.
patent: 3558392 (1971-01-01), Goodenow et al.
patent: 3895133 (1975-07-01), Fleisig et al.

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