Method and apparatus for making flattened expanded lead strip fo

Details Method and apparatus for making flattened expanded lead strip fo Method and apparatus for making flattened expanded lead strip fo

1976-12-23

1978-07-25

Simpson, Othell M.

Metal working

Expanded metal making

By use of reciprocating perforator

B21D 3104

Patent

active

041020243

ABSTRACT:
Apparatus for and a method of making expanded lead strip for use in fabricating plates for lead-acid secondary batteries. Lead strip is expanded into a non-planar shape with two mesh portions divided by a longitudinally extending unexpanded portion. The expanded strip is then flattened and smoothed from the non-planar shape and reduced in thickness.

REFERENCES:
patent: 875153 (1907-12-01), Clark
patent: 947794 (1910-02-01), Clark
patent: 1145342 (1915-07-01), White
patent: 1210848 (1917-01-01), Scammell
patent: 1510696 (1924-10-01), Naugle et al.
patent: 1747138 (1930-02-01), Kessler
patent: 1827314 (1931-10-01), Gersman
patent: 2026972 (1936-01-01), Greene
patent: 2114592 (1938-04-01), Cross
patent: 3218689 (1965-11-01), Mumma
patent: 3945097 (1976-03-01), Daniels, Jr. et al.

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