Method and device for thickening a plastically deformable hollow body wall of a hollow body, in particular in portions, and manufacturing method and machine for producing a hollow body

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United States of America Patent

PATENT NO 11890667
APP PUB NO 20210229160A1
SERIAL NO

17232276

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Abstract

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In a method for thickening a plastically deformable hollow body wall of a hollow body, with effective radial support of the unthickened hollow body wall on an outer supporting face of an outer mold and with effective radial support of the hollow body wall on an inner supporting face of an inner supporting body, the hollow body is acted on by a compressive force by two application members at application points by moving the application members towards one another in the axial direction with a compressing movement. The application points on the hollow body are distanced from one another in the axial direction. An expansion space of the outer mold is arranged between the application points. Due to the compressing movement of the application members, material of the hollow body wall between the application points is plasticised in the region of the expansion space of the outer mold, and plasticised material of the hollow body wall flows into the expansion space of the outer mold, thus thickening the hollow body wall.

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Patent Owner(s)

Patent OwnerAddress
FELSS SYSTEMS GMBH75203 KÖNIGSBACH-STEIN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beihofer, Dennis Kaempfelbach, DE 4 0
Grupp, Philipp Neulingen, DE 3 0
Marré, Michael Karlsruhe, DE 4 0
Michi, Werner Oelbronn-Duerrn, DE 4 4
Wachter, Joerg Keltern, DE 2 0

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