公开(公告)号：US3588435A

公开(公告)日：1971-06-28

申请号：US3588435D

申请日：1968-05-28

Applicant: SQUARE D CO

Inventor： ECKL JAMES J ,  GRIFFIN JAMES THOMAS

IPC: B23K11/25 ,  B23K11/24

CPC classification number: B23K11/252

Abstract: A SOLID-STATE CONTROL FOR A RESISTANCE WELDER WHICH WILL APREVENT FALSE TRIPPING OF A SOLID-STATE LOGIC MEMORY IN RESPONSE TO BOUNCE OF THE CONTACTS OF AN INITIATING SWITCH WHICH INITIATES AND TERMINATES WELDING CURRENT FLOW AND A HEAT CONTROL CIRCUIT THAT WILL PROVIDE EQUAL OPPOSITE POLARITY HALF CYCLES OF WELDING CURRENT FLOW UNDER VARYING AMBIENT TEMPERATURE CONDITIONS.