FR2420421A1 - - Google Patents

Info

Publication number
FR2420421A1
FR2420421A1 FR7905940A FR7905940A FR2420421A1 FR 2420421 A1 FR2420421 A1 FR 2420421A1 FR 7905940 A FR7905940 A FR 7905940A FR 7905940 A FR7905940 A FR 7905940A FR 2420421 A1 FR2420421 A1 FR 2420421A1
Authority
FR
France
Prior art keywords
hydraulic
press
ejection
eject
tools
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.)
Granted
Application number
FR7905940A
Other languages
English (en)
French (fr)
Other versions
FR2420421B1 (enExample
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.)
Canron Corp
Original Assignee
Canron Corp
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 Canron Corp filed Critical Canron Corp
Publication of FR2420421A1 publication Critical patent/FR2420421A1/fr
Application granted granted Critical
Publication of FR2420421B1 publication Critical patent/FR2420421B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/18—Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram
    • B30B15/20—Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram controlling the speed of the ram, e.g. the speed of the approach, pressing or return strokes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/32—Discharging presses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Control Of Presses (AREA)
FR7905940A 1978-03-20 1979-03-08 Expired FR2420421B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/875,353 US4242901A (en) 1978-03-20 1978-03-20 Hydraulic press with integral knockout and stroke control

Publications (2)

Publication Number Publication Date
FR2420421A1 true FR2420421A1 (enExample) 1979-10-19
FR2420421B1 FR2420421B1 (enExample) 1984-11-30

Family

ID=25365655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7905940A Expired FR2420421B1 (enExample) 1978-03-20 1979-03-08

Country Status (9)

Country Link
US (1) US4242901A (enExample)
JP (2) JPS5942600B2 (enExample)
AU (1) AU524186B2 (enExample)
BE (1) BE874232A (enExample)
CA (1) CA1086635A (enExample)
DE (1) DE2901317A1 (enExample)
FR (1) FR2420421B1 (enExample)
GB (2) GB2016973B (enExample)
IT (1) IT1114743B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128541B (en) * 1982-10-06 1985-10-09 Tavishelm Hydraulics Internati Hydraulic press
JPS60103599U (ja) * 1983-12-15 1985-07-15 アイダエンジニアリング株式会社 Ｃフレ−ムプレスのスライド
BE1009821A3 (nl) * 1995-11-22 1997-09-02 Lourdaux Jan Verbeterde pers.
US6796158B2 (en) * 2002-12-16 2004-09-28 Aida Engineering, Ltd. Adjustable knockout assembly for a press system
GB2530709B (en) 2014-07-14 2018-03-21 Impression Tech Limited Method to operate a press at two speeds for metal sheet forming
CN105013891A (zh) * 2015-07-29 2015-11-04 成都市松川金属材料有限公司 一种自动卸料式卷圆机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2035432A5 (enExample) * 1969-02-14 1970-12-18 Manco Mfg Co
GB1228753A (enExample) * 1967-05-24 1971-04-21
FR2196861A1 (enExample) * 1972-08-24 1974-03-22 Usm Corp
GB1371157A (en) * 1972-11-06 1974-10-23 Gulf & Western Ind Prod Co Presses

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739316C (de) * 1938-03-25 1943-11-09 Waffen Und Munitionsfabriken A Stoesselauswerfer fuer Einstaender-Exzenter- und -Kurbelpressen
US2484879A (en) * 1944-06-05 1949-10-18 Hpm Dev Corp Hydraulic press equipped with a synchronized stripping plunger
US2759380A (en) * 1952-11-25 1956-08-21 Nat Lead Co Ejection mechanism for metal forming presses
US3157111A (en) * 1961-05-15 1964-11-17 Avis Ind Corp Work ejector for presses
FR1368969A (fr) * 1963-06-28 1964-08-07 L B M Atel Dispositif d'éjection pour presses
DE1989014U (de) * 1968-04-25 1968-07-11 Metallwaren U Maschinenfabrik Werkzeug mit einer werkstueck-auswerf- bzw. werk stueck-abstreifvorrichtung.
US3566730A (en) * 1969-02-25 1971-03-02 Houdaille Industries Inc Punch press having ram with stripping means
US3654796A (en) * 1970-03-17 1972-04-11 Aluminum Co Of America Method and apparatus for stripping container bodies from a reciprocal mandrel
JPS567771B2 (enExample) * 1974-01-24 1981-02-19
JPS5465888A (en) * 1977-10-27 1979-05-26 Osterwalder Ag Hydraulic press

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1228753A (enExample) * 1967-05-24 1971-04-21
FR2035432A5 (enExample) * 1969-02-14 1970-12-18 Manco Mfg Co
FR2196861A1 (enExample) * 1972-08-24 1974-03-22 Usm Corp
GB1371157A (en) * 1972-11-06 1974-10-23 Gulf & Western Ind Prod Co Presses

Also Published As

Publication number Publication date
GB2016973B (en) 1982-05-06
US4242901A (en) 1981-01-06
JPS5944160B2 (ja) 1984-10-26
GB2063151B (en) 1983-02-02
BE874232A (fr) 1979-06-18
FR2420421B1 (enExample) 1984-11-30
GB2063151A (en) 1981-06-03
AU524186B2 (en) 1982-09-02
GB2016973A (en) 1979-10-03
JPS54125580A (en) 1979-09-29
DE2901317A1 (de) 1979-10-04
JPS5762896A (en) 1982-04-16
IT1114743B (it) 1986-01-27
IT7948375A0 (it) 1979-03-16
JPS5942600B2 (ja) 1984-10-16
CA1086635A (en) 1980-09-30
AU4226278A (en) 1979-09-27

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Legal Events

Date Code Title Description
ST Notification of lapse