Printing and like rollers

Details Printing and like rollers Printing and like rollers

1976-07-14

1977-06-14

Guest, Alfred R.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B21B 3108

Patent

active

040287866

ABSTRACT:
A roller is described for applying lacquer and the like to metal sheets to be formed into metal containers. Roller comprises a magnetic cylindrical former and a cover magnetically retained on its curved outer surface. Cover has an outer layer made from a castable material which is selected from the group comprising liquid polymeric systems and liquid prepolymeric systems capable of forming macromolecular structures having elastomeric properties, and an inner layer made from a castable material which is selected from said group, which is capable of bonding with the outer layer and which has particles of iron powder dispersed therein. A method of manufacturing the cover by a centrifugal casting operation is described.

REFERENCES:
patent: 3168760 (1965-02-01), Olcott
patent: 3457618 (1969-07-01), O'Neal et al.
patent: 3475803 (1969-11-01), Hill
patent: 3625146 (1971-12-01), Hutchison
patent: 3691949 (1972-09-01), Giori et al.
patent: 3959574 (1976-05-01), Seanor et al.

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