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Battery powered stud welder

  • US 3,365,644 A
  • Filed: 06/04/1964
  • Issued: 01/23/1968
  • Est. Priority Date: 06/04/1964
  • Status: Expired due to Term
First Claim
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1. APPARATUS FOR STUE-WELDING COMPRISING IN COMBINATION:

  • (A) A NUMBER OF LEAD-ACID CELL BATTERIES CONTINUALLY CONNECTED TOGETHER IN SERIES, AND EACH HAVING A "TENTATIVE CHARGE ACCEPTANCE" RATING OF AT LEAST 15 AMPERES, AND A "HIGH RATE OF DISCHARGE FOR 30 SECONDS" RATING OF AT LEAST 9.3 VOLTS;

    (B) MEANS CONNECTED TO SAID SERIES OF BATTERIES AND OPERATIVE TO APPLY CONTINUOUSLY TO EACH CELL A DCPOTENTIAL IN THE RANGE OF 2.17 TO 2.19 VOLTS;

    AND (C) TERMINAL MEANS CONNECTED TO SAID BATTERIES FOR CONNECTION TO A STUD-HOLDING AND CURRENT-TIMING GUN.

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