FR819957A - Electrically controlled device for producing a variable pressure in a cylinder during a switch-on and switch-off period - Google Patents

Electrically controlled device for producing a variable pressure in a cylinder during a switch-on and switch-off period

Info

Publication number
FR819957A
FR819957A FR819957DA FR819957A FR 819957 A FR819957 A FR 819957A FR 819957D A FR819957D A FR 819957DA FR 819957 A FR819957 A FR 819957A
Authority
FR
France
Prior art keywords
switch
producing
period
controlled device
electrically controlled
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.)
Knorr Bremse AG
Original Assignee
Knorr Bremse AG
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 Knorr Bremse AG filed Critical Knorr Bremse AG
Application granted granted Critical
Publication of FR819957A publication Critical patent/FR819957A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/02—Pressure butt welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • B23K11/25—Monitoring devices
    • B23K11/251—Monitoring devices using analog means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/30—Features relating to electrodes
    • B23K11/31—Electrode holders and actuating devices therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)
  • Fluid-Pressure Circuits (AREA)
FR819957D 1936-05-01 1937-03-30 Electrically controlled device for producing a variable pressure in a cylinder during a switch-on and switch-off period Expired FR819957A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK142030D DE677659C (en) 1936-05-01 1936-05-01 Control for electrical spot welding machines with a compressed air cylinder which causes the pressure of the electrodes to change

Publications (1)

Publication Number Publication Date
FR819957A true FR819957A (en) 1937-10-29

Family

ID=32659607

Family Applications (2)

Application Number Title Priority Date Filing Date
FR819957D Expired FR819957A (en) 1936-05-01 1937-03-30 Electrically controlled device for producing a variable pressure in a cylinder during a switch-on and switch-off period
FR49591D Expired FR49591E (en) 1936-05-01 1938-06-21

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR49591D Expired FR49591E (en) 1936-05-01 1938-06-21

Country Status (2)

Country Link
DE (3) DE677659C (en)
FR (2) FR819957A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1440261B1 (en) * 1959-07-22 1970-04-16 Separator Ab Welding tongs with exchangeable pressure device
DE3612502A1 (en) * 1986-04-14 1987-10-15 Rema Schweisstechnik Pneumatically operable welding cylinder with preliminary and working stroke

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1527504B1 (en) * 1964-05-09 1971-10-21 Meyer Roth Pastor Maschf Drive device for the upsetting tools on electric butt welding machines for C-shaped chain links or the like.
DE29805046U1 (en) 1998-03-19 1998-07-23 Scm Microsystems Gmbh Interface device between a semiconductor storage medium for multimedia content and a standard video connection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1440261B1 (en) * 1959-07-22 1970-04-16 Separator Ab Welding tongs with exchangeable pressure device
DE3612502A1 (en) * 1986-04-14 1987-10-15 Rema Schweisstechnik Pneumatically operable welding cylinder with preliminary and working stroke

Also Published As

Publication number Publication date
FR49591E (en) 1939-05-11
DE677659C (en) 1939-07-01
DE681397C (en) 1939-09-21
DE687008C (en) 1940-01-20

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