CA1039036A - Heat-resistant mandrel for boss extruding - Google Patents

Heat-resistant mandrel for boss extruding

Info

Publication number
CA1039036A
CA1039036A CA196,946A CA196946A CA1039036A CA 1039036 A CA1039036 A CA 1039036A CA 196946 A CA196946 A CA 196946A CA 1039036 A CA1039036 A CA 1039036A
Authority
CA
Canada
Prior art keywords
support element
inner support
opening
apparatus recited
surface layer
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
CA196,946A
Other languages
English (en)
French (fr)
Inventor
Hans Luttgert
Karl Brunk
Johannes Dietrich
Emanuel Pahl
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.)
Siemens AG
Original Assignee
Siemens 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
Priority claimed from DE19732318064 external-priority patent/DE2318064C3/de
Application filed by Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of CA1039036A publication Critical patent/CA1039036A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/29—Making branched pieces, e.g. T-pieces
    • B21C37/292—Forming collars by drawing or pushing a rigid forming tool through an opening in the tube wall
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49428—Gas and water specific plumbing component making
    • Y10T29/49446—Ferrule making or reforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
CA196,946A 1973-04-06 1974-04-05 Heat-resistant mandrel for boss extruding Expired CA1039036A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732318064 DE2318064C3 (de) 1973-04-06 Ziehkörper zur Herstellung von Aushalsungen an Hohlkörpern
DE19732318060 DE2318060C3 (de) 1973-04-06 Ziehkörper zur Herstellung von Aushalsungen an Hohlkörpern

Publications (1)

Publication Number Publication Date
CA1039036A true CA1039036A (en) 1978-09-26

Family

ID=25764956

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196,946A Expired CA1039036A (en) 1973-04-06 1974-04-05 Heat-resistant mandrel for boss extruding

Country Status (11)

Country Link
US (1) US3910094A (de)
CA (1) CA1039036A (de)
CH (1) CH579953A5 (de)
CS (1) CS178912B2 (de)
FR (1) FR2224218B1 (de)
GB (1) GB1412392A (de)
HU (1) HU172887B (de)
IT (1) IT1011218B (de)
NL (1) NL172621C (de)
SE (1) SE410939B (de)
YU (1) YU36337B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4059979A (en) * 1976-06-23 1977-11-29 Allis-Chalmers Corporation Means for flaring openings in cylindrical bodies
FI800278A (fi) * 1980-01-30 1981-07-31 Serlachius Oy Flaensborranordning
US4676088A (en) * 1985-06-10 1987-06-30 Hitachi, Ltd. T-joint manufacturing apparatus
CN102320149B (zh) * 2011-05-31 2014-07-09 四川泰鑫实业发展有限责任公司 大直径pe异径三通支管成型工艺和成型装置
CN102274882B (zh) * 2011-08-10 2013-05-01 中山市奥美森工业技术有限公司 一种抽孔机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US354879A (en) * 1886-12-21 Manufacture of pipe-fittings
US1574900A (en) * 1923-07-16 1926-03-02 Kellogg M W Co Apparatus and method for making openings in pipes, cylindrical tanks, etc.
US2861335A (en) * 1954-02-26 1958-11-25 Huet Andre Method of forming a hollow box in a metal wall

Also Published As

Publication number Publication date
SE410939B (sv) 1979-11-19
CS178912B2 (en) 1977-10-31
YU95974A (en) 1981-11-13
HU172887B (hu) 1978-12-28
NL7404717A (de) 1974-10-08
CH579953A5 (de) 1976-09-30
IT1011218B (it) 1977-01-20
NL172621B (nl) 1983-05-02
US3910094A (en) 1975-10-07
FR2224218B1 (de) 1977-10-21
NL172621C (nl) 1983-10-03
GB1412392A (en) 1975-11-05
YU36337B (en) 1983-06-30
FR2224218A1 (de) 1974-10-31

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