FR720435A - Improvements to welding equipment - Google Patents

Improvements to welding equipment

Info

Publication number
FR720435A
FR720435A FR720435DA FR720435A FR 720435 A FR720435 A FR 720435A FR 720435D A FR720435D A FR 720435DA FR 720435 A FR720435 A FR 720435A
Authority
FR
France
Prior art keywords
welding equipment
welding
equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Budd Co
Original Assignee
Edward G Budd Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Edward G Budd Manufacturing Co filed Critical Edward G Budd Manufacturing Co
Application granted granted Critical
Publication of FR720435A publication Critical patent/FR720435A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H7/00Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts
    • H01H7/08Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts with timing by mechanical speed-control devices
FR720435D 1930-11-12 1931-06-20 Improvements to welding equipment Expired FR720435A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US720435XA 1930-11-12 1930-11-12

Publications (1)

Publication Number Publication Date
FR720435A true FR720435A (en) 1932-02-19

Family

ID=22105206

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720435D Expired FR720435A (en) 1930-11-12 1931-06-20 Improvements to welding equipment

Country Status (1)

Country Link
FR (1) FR720435A (en)

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