SE331975B - - Google Patents

Info

Publication number
SE331975B
SE331975B SE03179/68A SE317968A SE331975B SE 331975 B SE331975 B SE 331975B SE 03179/68 A SE03179/68 A SE 03179/68A SE 317968 A SE317968 A SE 317968A SE 331975 B SE331975 B SE 331975B
Authority
SE
Sweden
Application number
SE03179/68A
Inventor
S Jansson
Original Assignee
S Jansson
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 S Jansson filed Critical S Jansson
Priority to SE03179/68A priority Critical patent/SE331975B/xx
Priority to FR6906795A priority patent/FR2003669A1/fr
Priority to GB1228565D priority patent/GB1228565A/en
Priority to DE19691912269 priority patent/DE1912269A1/en
Publication of SE331975B publication Critical patent/SE331975B/xx
Priority to US00127965A priority patent/US3777530A/en

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
    • B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
    • 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
    • B21C37/156—Making tubes with wall irregularities
    • B21C37/157—Perforations
    • 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
    • B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
    • B21D13/04—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling
    • B21D13/045—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling the corrugations being parallel to the feeding movement
    • 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
    • Y10T29/49789—Obtaining plural product pieces from unitary workpiece
    • Y10T29/4979—Breaking through weakened portion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
SE03179/68A 1968-03-11 1968-03-11 SE331975B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE03179/68A SE331975B (en) 1968-03-11 1968-03-11
FR6906795A FR2003669A1 (en) 1968-03-11 1969-03-10
GB1228565D GB1228565A (en) 1968-03-11 1969-03-10
DE19691912269 DE1912269A1 (en) 1968-03-11 1969-03-11 Method and device for weakening strip material in the roll forming process
US00127965A US3777530A (en) 1968-03-11 1971-03-25 Method of weakening strip material in section rolling processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE03179/68A SE331975B (en) 1968-03-11 1968-03-11

Publications (1)

Publication Number Publication Date
SE331975B true SE331975B (en) 1971-01-25

Family

ID=20261557

Family Applications (1)

Application Number Title Priority Date Filing Date
SE03179/68A SE331975B (en) 1968-03-11 1968-03-11

Country Status (5)

Country Link
US (1) US3777530A (en)
DE (1) DE1912269A1 (en)
FR (1) FR2003669A1 (en)
GB (1) GB1228565A (en)
SE (1) SE331975B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1267681B1 (en) * 1994-02-09 1997-02-07 Colpo & Zilio Srl CLOSURE FOR BRACELETS, NECKLACES AND SIMILAR.
DE19846896B4 (en) * 1998-10-12 2004-12-09 Siemens Ag Method and device for cutting a metal strip
US6345425B1 (en) 1999-12-09 2002-02-12 Shape Corporation Rollformer with transverse scorer
DE102007004993A1 (en) * 2007-02-01 2008-08-07 Modine Manufacturing Co., Racine Production process for flat tubes and roller mill
US20120255336A1 (en) * 2011-04-06 2012-10-11 Chauncey Edward W Systems and methods for corrugating a metallic tape
US10933455B2 (en) * 2016-07-07 2021-03-02 Pacific Roller Die Company, Inc. Tubular core and method
AT525301A1 (en) * 2021-07-23 2023-02-15 Blum Gmbh Julius Process for producing at least one component for a furniture fitting
AT526737A1 (en) * 2022-12-02 2024-06-15 Blum Gmbh Julius Method for producing at least one component for a furniture fitting

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582063A (en) * 1949-04-06 1952-01-08 Elastic Stop Nut Corp Method of making short pins
US2708958A (en) * 1949-11-15 1955-05-24 Robertson Co H H Method of and apparatus for making a steel floor
US2766516A (en) * 1951-11-19 1956-10-16 Elastic Stop Nut Corp Manufacture of hollow spring pins
US3031671A (en) * 1956-12-05 1962-05-01 Acme Steel Co Spring clip fastener and method of forming same
US3144709A (en) * 1959-10-13 1964-08-18 Continental Can Co Preparation of sheet stock having longitudinal internal weakening therein
GB934642A (en) * 1961-07-13 1963-08-21 Forgings And Presswork Ltd Method for parting-off a length from metal bar stock

Also Published As

Publication number Publication date
US3777530A (en) 1973-12-11
FR2003669A1 (en) 1969-11-14
GB1228565A (en) 1971-04-15
DE1912269A1 (en) 1969-10-02

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