Roving can piston

Details Roving can piston Roving can piston

1975-06-02

1977-01-04

Gilliam, Paul R.

Supports: cabinet structure

Removal facilitating magazine type

Stacked article type

220 93, 211 49D, A47F 100, B65D 2510

Patent

active

040009343

ABSTRACT:
A piston is provided for a roving can of the spring type wherein the piston has a cylindrical marginal skirt and an inwardly extending conical downwardly inclined surface for receiving the central portion of the sliver core so as to relieve the tendency of the sliver to form a hard central core and increase the capacity of the can. The conical surface extends adjacent the bottom of the skirt and a substantially horizontal bottom extends thereacross in order to maximize the amount of sliver which may be distributed in the can.

REFERENCES:
patent: 983437 (1911-02-01), Gray
patent: 1978025 (1934-10-01), McCown
patent: 2022706 (1935-12-01), Clark
patent: 2172457 (1939-09-01), Schwartz
patent: 3022923 (1962-02-01), Hoffman, Jr.
patent: 3053410 (1962-09-01), Eaddy
patent: 3255936 (1966-06-01), Healy et al.
patent: 3273608 (1966-09-01), Frankenberg
patent: 3437232 (1969-04-01), Goodwin, Jr.
patent: 3612457 (1971-10-01), Morikawa

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