CA980098A - Apparatus for manufacturing a waveguide formed by a cylindrical helix - Google Patents

Apparatus for manufacturing a waveguide formed by a cylindrical helix

Info

Publication number
CA980098A
CA980098A CA156,402A CA156402A CA980098A CA 980098 A CA980098 A CA 980098A CA 156402 A CA156402 A CA 156402A CA 980098 A CA980098 A CA 980098A
Authority
CA
Canada
Prior art keywords
manufacturing
waveguide formed
cylindrical helix
helix
cylindrical
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
CA156,402A
Other languages
English (en)
Other versions
CA156402S (en
Inventor
Antonio Ferrentino
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.)
Industrie Pirelli SpA
Original Assignee
Industrie Pirelli SpA
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 Industrie Pirelli SpA filed Critical Industrie Pirelli SpA
Application granted granted Critical
Publication of CA980098A publication Critical patent/CA980098A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F3/00—Coiling wire into particular forms
    • B21F3/02—Coiling wire into particular forms helically
    • B21F3/04—Coiling wire into particular forms helically externally on a mandrel or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Wire Processing (AREA)
  • Waveguides (AREA)
  • Coil Winding Methods And Apparatuses (AREA)
  • Endoscopes (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CA156,402A 1971-11-15 1972-11-14 Apparatus for manufacturing a waveguide formed by a cylindrical helix Expired CA980098A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT31095/71A IT941150B (it) 1971-11-15 1971-11-15 Formatrice a elica

Publications (1)

Publication Number Publication Date
CA980098A true CA980098A (en) 1975-12-23

Family

ID=11233098

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,402A Expired CA980098A (en) 1971-11-15 1972-11-14 Apparatus for manufacturing a waveguide formed by a cylindrical helix

Country Status (14)

Country Link
US (1) US3793864A (es)
JP (1) JPS5544483B2 (es)
AR (1) AR194765A1 (es)
BR (1) BR7207970D0 (es)
CA (1) CA980098A (es)
DE (1) DE2255579A1 (es)
ES (1) ES408849A1 (es)
FR (1) FR2160386B1 (es)
GB (1) GB1385269A (es)
IT (1) IT941150B (es)
NL (1) NL7213974A (es)
NO (1) NO139403C (es)
SE (1) SE383143B (es)
ZA (1) ZA728002B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5391058A (en) * 1977-01-20 1978-08-10 Azovskoe Sp K B Kuznechno Pres Helical spring form process and device
US4586667A (en) * 1980-10-27 1986-05-06 General Electric Company Flyer method
JPS5814282U (ja) * 1981-07-20 1983-01-28 日本ビクター株式会社 レコ−ドプレ−ヤにおけるリニアトラツキングア−ムの昇降装置
US6007015A (en) * 1996-09-17 1999-12-28 Matsushita Electric Works, Ltd. Edgewise winding system for thin, flat-type conductor wire

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875570A (en) * 1959-03-03 Tape-stretching control device for electric
GB271013A (en) * 1927-01-28 1927-05-19 Richard Henke Apparatus for mechanical production of reinforced flat spiral wire fabrics
FR1236504A (fr) * 1957-02-12 1960-07-22 Dispositif pour la fabrication de ressorts sans fin
US3032073A (en) * 1957-10-17 1962-05-01 Harry W Moore Coil winding machine
US3140968A (en) * 1960-01-11 1964-07-14 H I Thompson Fibert Glass Comp Method and apparatus for helically winding strips on edge under pressure
US3147934A (en) * 1960-06-15 1964-09-08 Godderidge Jean Apparatus for winding wire
GB907050A (en) * 1960-09-13 1962-10-03 Standard Telephones Cables Ltd Improvements in or relating to helical waveguides and methods of manufacture thereof
FR1288816A (fr) * 1961-02-14 1962-03-30 Perfectionnements aux appareils permettant de former des spires circulaires de fil
US3431158A (en) * 1965-09-22 1969-03-04 Ulrik Poulsen Working procedure of and apparatus for the manufacture of reinforced plastic tubes
US3490713A (en) * 1968-07-24 1970-01-20 Western Electric Co Methods of and apparatus for advancing and coiling strand material

Also Published As

Publication number Publication date
IT941150B (it) 1973-03-01
NL7213974A (es) 1973-05-17
NO139403B (no) 1978-11-27
US3793864A (en) 1974-02-26
NO139403C (no) 1979-03-07
BR7207970D0 (pt) 1973-09-27
DE2255579A1 (de) 1973-05-30
JPS5544483B2 (es) 1980-11-12
FR2160386A1 (es) 1973-06-29
AU4882772A (en) 1974-05-23
JPS4861974A (es) 1973-08-30
FR2160386B1 (es) 1974-10-25
ZA728002B (en) 1973-07-25
ES408849A1 (es) 1975-10-16
AR194765A1 (es) 1973-08-14
GB1385269A (en) 1975-02-26
SE383143B (sv) 1976-03-01

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