GB1228565A - - Google Patents

Info

Publication number
GB1228565A
GB1228565A GB1228565DA GB1228565A GB 1228565 A GB1228565 A GB 1228565A GB 1228565D A GB1228565D A GB 1228565DA GB 1228565 A GB1228565 A GB 1228565A
Authority
GB
United Kingdom
Prior art keywords
strip
divides
score
march
weakened
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
English (en)
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 filed Critical
Publication of GB1228565A publication Critical patent/GB1228565A/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
    • B21C37/02—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)
GB1228565D 1968-03-11 1969-03-10 Expired GB1228565A (zh)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1228565A true GB1228565A (zh) 1971-04-15

Family

ID=20261557

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228565D Expired GB1228565A (zh) 1968-03-11 1969-03-10

Country Status (5)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1267681B1 (it) * 1994-02-09 1997-02-07 Colpo & Zilio Srl Chiusura per bracciali, collane e simili.
DE19846896B4 (de) * 1998-10-12 2004-12-09 Siemens Ag Verfahren und Vorrichtung zum Trennen eines Metallbandes
US6345425B1 (en) 1999-12-09 2002-02-12 Shape Corporation Rollformer with transverse scorer
DE102007004993A1 (de) * 2007-02-01 2008-08-07 Modine Manufacturing Co., Racine Herstellungsverfahren für Flachrohre und Walzenstraße
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 (de) * 2021-07-23 2023-02-15 Blum Gmbh Julius Verfahren zur Herstellung wenigstens einer Bauteilkomponente für einen Möbelbeschlag
AT526737A1 (de) * 2022-12-02 2024-06-15 Blum Gmbh Julius Verfahren zur Herstellung wenigstens einer Bauteilkomponente für einen Möbelbeschlag

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
FR2003669A1 (zh) 1969-11-14
DE1912269A1 (de) 1969-10-02
SE331975B (zh) 1971-01-25
US3777530A (en) 1973-12-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees