Apparatus for making tubular containers

Details Apparatus for making tubular containers Apparatus for making tubular containers

1974-08-26

1976-01-27

Jones, Jr., James L.

Metal fusion bonding

Including means to provide heat by friction between...

228112, B23K 1902

Patent

active

039347800

ABSTRACT:
The present tubular containers, for example for foodstuffs, toothpaste, or the like, have a top cap secured to an initially open ended tubular body by means of a heat bond such as soldering where metal containers are involved or welding or fusing where plastics materials are involved. The heat for making the bond is generated by friction resulting from relative rotation between the cap and the tubular body. For this purpose, a tool is provided with a rotatably supported counter presser forming an inner holding member and with a rotating presser tool forming an outer holding member which holding members hold the cap therebetween so that its outer rim contacts the edge of the tubular body to produce frictional heat when the cap and tubular body are rotated relative to each other, said frictional heat being sufficient to cause said bond.

REFERENCES:
patent: 3446688 (1969-05-01), Flax
patent: 3824145 (1974-07-01), Flax

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