FR2019866A1 - - Google Patents

Info

Publication number
FR2019866A1
FR2019866A1 FR6933953A FR6933953A FR2019866A1 FR 2019866 A1 FR2019866 A1 FR 2019866A1 FR 6933953 A FR6933953 A FR 6933953A FR 6933953 A FR6933953 A FR 6933953A FR 2019866 A1 FR2019866 A1 FR 2019866A1
Authority
FR
France
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.)
Granted
Application number
FR6933953A
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.)
MITCHELL GEORGE CY
Original Assignee
MITCHELL GEORGE CY
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 to US76487568A priority Critical
Application filed by MITCHELL GEORGE CY filed Critical MITCHELL GEORGE CY
Publication of FR2019866A1 publication Critical patent/FR2019866A1/fr
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C5/00Pointing; Push-pointing
    • B21C5/003Pointing; Push-pointing of hollow material, e.g. tube
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C5/00Pointing; Push-pointing
FR6933953A 1968-10-03 1969-10-03 Granted FR2019866A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US76487568A true 1968-10-03 1968-10-03

Publications (1)

Publication Number Publication Date
FR2019866A1 true FR2019866A1 (fr) 1970-07-10

Family

ID=25072040

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6933953A Granted FR2019866A1 (fr) 1968-10-03 1969-10-03

Country Status (5)

Country Link
US (1) US3572080A (fr)
BE (1) BE739728A (fr)
DE (1) DE1949272A1 (fr)
FR (1) FR2019866A1 (fr)
GB (1) GB1266951A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845653A (en) * 1971-03-22 1974-11-05 Continental Can Co Double stage necking
DE2401345A1 (de) * 1974-01-09 1975-07-10 Mannesmann Roehren Werke Ag DRAWING-STRETCHING PROCESS FOR THE PRODUCTION OF LONG TUBES AND DEVICE FOR CARRYING OUT THE PROCESS
GB2096512B (en) * 1979-06-08 1983-09-01 Stevens & Bullivant Ltd Tube end forming apparatus with automatic control
DE19634307C2 (de) * 1996-08-24 1998-09-24 Bueltmann Monika Hydraulic system for forming a tubular tile
DE19735486C2 (de) * 1997-08-16 2000-07-20 Felss Geb Device and method for cold forming workpieces
CA2342702A1 (fr) * 2001-04-04 2002-10-04 Copperweld Canada Inc. Methode de formage utilisant des tubes bruts a parois a epaisseurs variables
US6735998B2 (en) 2002-10-04 2004-05-18 George A. Mitchell Company Method of making metal ball bats
US6779375B1 (en) 2003-03-26 2004-08-24 Randall L. Alexoff Method and apparatus for producing tubes and hollow shafts
US6807837B1 (en) 2003-03-26 2004-10-26 Randall L. Alexoff Method and apparatus for producing variable wall thickness tubes and hollow shafts
US7114362B2 (en) * 2004-03-27 2006-10-03 George A. Mitchell Company Method of making metal workpiece
KR101417157B1 (ko) * 2006-08-07 2014-07-08 휄쓰 게엠베하 공작물 성형 장치 및 방법
CN102878355A (zh) * 2012-10-24 2013-01-16 珠海格力电器股份有限公司 一种空调系统变径管路件
CN106607516A (zh) * 2015-10-26 2017-05-03 镇江中焱数控设备有限公司 管端成型机
US10639690B2 (en) * 2016-07-22 2020-05-05 Sms Group Gmbh Preparing a tube end for rod drawing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR774985A (fr) * 1933-08-18 1934-12-17 Maschb Ag Vormals Ehrhardt & S Procédé d'étirage à refoulement pour la fabrication de tubes ou corps creux
US2110965A (en) * 1934-07-02 1938-03-15 Tubus A G Reducing the diameter of hollow metal articles
DE730633C (de) * 1938-10-19 1943-01-15 Heinkel Flugzeugwerke Gmbh E Hydraulische Rohreinziehpresse
FR942599A (fr) * 1946-01-11 1949-02-11 Wellman Seaver Rolling Mill Co Perfectionnement au procédé de fabrication des tubes métalliques
GB843186A (en) * 1956-01-12 1960-08-04 Appel Process Ltd Improvements in or relating to the forging or swaging of elongated workpieces
US3035340A (en) * 1958-04-25 1962-05-22 Appel Process Ltd Methods for relieving stresses in and straightening tubular workpieces

Also Published As

Publication number Publication date
US3572080A (en) 1971-03-23
DE1949272A1 (de) 1970-06-04
GB1266951A (fr) 1972-03-15
BE739728A (fr) 1970-03-16

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Legal Events

Date Code Title Description
ST Notification of lapse