DE3741602C2 - - Google Patents

Info

Publication number
DE3741602C2
DE3741602C2 DE3741602A DE3741602A DE3741602C2 DE 3741602 C2 DE3741602 C2 DE 3741602C2 DE 3741602 A DE3741602 A DE 3741602A DE 3741602 A DE3741602 A DE 3741602A DE 3741602 C2 DE3741602 C2 DE 3741602C2
Authority
DE
Germany
Prior art keywords
welding
transformer
electrodes
transformers
workpieces
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 - Fee Related
Application number
DE3741602A
Other languages
German (de)
English (en)
Other versions
DE3741602A1 (de
Inventor
John Foster Plymouth Mich. Us Farrow
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.)
MEDAR Inc FARMINGTON HILLS MICH US
Original Assignee
MEDAR Inc FARMINGTON HILLS MICH US
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 MEDAR Inc FARMINGTON HILLS MICH US filed Critical MEDAR Inc FARMINGTON HILLS MICH US
Publication of DE3741602A1 publication Critical patent/DE3741602A1/de
Application granted granted Critical
Publication of DE3741602C2 publication Critical patent/DE3741602C2/de
Granted 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
    • B23K11/10—Spot welding; Stitch welding
    • B23K11/11—Spot welding
    • B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
    • 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
    • B23K13/00—Welding by high-frequency current heating
    • B23K13/04—Welding by high-frequency current heating by conduction heating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J2200/00—General characteristics or adaptations
    • A61J2200/70—Device provided with specific sensor or indicating means
    • A61J2200/74—Device provided with specific sensor or indicating means for weight
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
    • A61J3/002—Compounding apparatus specially for enteral or parenteral nutritive solutions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)
DE19873741602 1986-12-08 1987-12-08 Verfahren und vorrichtung fuer das hochfrequenzwiderstandspunktschweissen Granted DE3741602A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/938,976 US4831229A (en) 1986-12-08 1986-12-08 High frequency resistance spot welding structure and method

Publications (2)

Publication Number Publication Date
DE3741602A1 DE3741602A1 (de) 1988-06-16
DE3741602C2 true DE3741602C2 (en:Method) 1992-11-05

Family

ID=25472322

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873741602 Granted DE3741602A1 (de) 1986-12-08 1987-12-08 Verfahren und vorrichtung fuer das hochfrequenzwiderstandspunktschweissen

Country Status (4)

Country Link
US (1) US4831229A (en:Method)
JP (1) JPS63192574A (en:Method)
CA (1) CA1300696C (en:Method)
DE (1) DE3741602A1 (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4022180A1 (de) * 1990-07-12 1992-01-23 Gernot Sikora Loetzange
WO1998018592A1 (en) * 1996-10-25 1998-05-07 Medar, Inc. Apparatus for holding and resistance butt welding portions of at least one part together
ES2434616B1 (es) * 2013-08-02 2014-09-30 Oms Servicos De Programacao Lda. Pórtico sincronizado para soldadura de aceros mediante puntos de resistencia

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US553923A (en) * 1896-02-04 Apparatus for electric welding
US1674109A (en) * 1927-05-06 1928-06-19 Grob Benjamin Method of electric welding
US1930263A (en) * 1927-11-12 1933-10-10 Smith Corp A O Method of electrically butt welding sheet metal pipe
US2680180A (en) * 1951-06-29 1954-06-01 Gen Motors Corp High-frequency welding apparatus
US4048463A (en) * 1975-12-08 1977-09-13 General Electric Company Method of joining aluminum to aluminum
US4496821A (en) * 1982-08-06 1985-01-29 Marelco Power Systems, Inc. Transformer for robot arms

Also Published As

Publication number Publication date
US4831229A (en) 1989-05-16
DE3741602A1 (de) 1988-06-16
CA1300696C (en) 1992-05-12
JPS63192574A (ja) 1988-08-09

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee