Manufacturing container or tube from paper; or other manufacturi – Container making – Rigid container
Patent
1985-11-29
1986-11-11
Husar, Francis S.
Manufacturing container or tube from paper; or other manufacturi
Container making
Rigid container
493111, 493153, 493175, B31B 190
Patent
active
046220267
ABSTRACT:
The present invention relates to a mandrel for use in manufacturing a container in which the mandrel includes a mandrel body in the shape of a cylinder, recessed portions located about the circumference of the mandrel body forming it into a polygon with inwardly depressed sides forming curved surfaces thereabout, and connecting portions separating the recessed portions and located substantially at the cylindrical outer surface of the mandrel, as well as a central channel in the mandrel and apertures located within the recessed portions and connecting them with the central channel so that a vacuum can be applied through the apertures to conform a container body placed on the outer surface of the mandrel to the shape of the mandrel.
REFERENCES:
patent: 1262289 (1918-04-01), Weber
patent: 2037777 (1936-04-01), Gazette
patent: 2063013 (1936-12-01), Cooper
patent: 4106397 (1978-08-01), Amberg et al.
Hirayama Takahisa
Ito Sukenori
Take Yoshiaki
Husar Francis S.
Showalter Robert
Toppan Printing Co. Ltd.
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