Capsule forming pin having a burnish-hardened surface

Details Capsule forming pin having a burnish-hardened surface Capsule forming pin having a burnish-hardened surface

1986-11-05

1988-07-19

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Dipping type shaping means

Dipping form per se

B29C 4140

Patent

active

047581492

ABSTRACT:
A metal pin for forming gelatine capsules, having a work-hardened surface including a circumferential groove, even the surface defining the groove being work-hardened.

REFERENCES:
patent: Re21094 (1939-05-01), Brating
patent: 772161 (1904-10-01), Longden
patent: 2428406 (1947-10-01), Auzin
patent: 2568129 (1951-09-01), Morris
patent: 2668394 (1954-02-01), Auzin
patent: 2966701 (1961-01-01), Heller
patent: 4247006 (1981-01-01), Bodenmann et al.

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