FR2230885B1 - - Google Patents

Info

Publication number
FR2230885B1
FR2230885B1 FR7313434A FR7313434A FR2230885B1 FR 2230885 B1 FR2230885 B1 FR 2230885B1 FR 7313434 A FR7313434 A FR 7313434A FR 7313434 A FR7313434 A FR 7313434A FR 2230885 B1 FR2230885 B1 FR 2230885B1
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.)
Expired
Application number
FR7313434A
Other versions
FR2230885A1 (fr
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.)
PRECISION INDUSTRIELLE
Original Assignee
PRECISION INDUSTRIELLE
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 PRECISION INDUSTRIELLE filed Critical PRECISION INDUSTRIELLE
Priority to FR7313434A priority Critical patent/FR2230885B1/fr
Priority to US05/459,279 priority patent/US3988969A/en
Priority to IT21161/74A priority patent/IT1009786B/it
Priority to JP49040652A priority patent/JPS5012485A/ja
Priority to GB1613674A priority patent/GB1456316A/en
Priority to DE19742417887 priority patent/DE2417887A1/de
Publication of FR2230885A1 publication Critical patent/FR2230885A1/fr
Application granted granted Critical
Publication of FR2230885B1 publication Critical patent/FR2230885B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
    • B23B31/30—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck
    • B23B31/302—Hydraulic equipment, e.g. pistons, valves, rotary joints

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)
FR7313434A 1973-04-13 1973-04-13 Expired FR2230885B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7313434A FR2230885B1 (fr) 1973-04-13 1973-04-13
US05/459,279 US3988969A (en) 1973-04-13 1974-04-09 Rotary hydraulic jack
IT21161/74A IT1009786B (it) 1973-04-13 1974-04-09 Martinetto idraulico rotativo in particolare per il comando di un mandrino di macchina utensile
JP49040652A JPS5012485A (fr) 1973-04-13 1974-04-10
GB1613674A GB1456316A (en) 1973-04-13 1974-04-11 Rotary jacks in particular for the control of the chucks of machine tools
DE19742417887 DE2417887A1 (de) 1973-04-13 1974-04-11 Rotationsfaehiger hydraulikzylinder, insbesondere zum betaetigen eines werkzeugmaschinen-spannfutters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7313434A FR2230885B1 (fr) 1973-04-13 1973-04-13

Publications (2)

Publication Number Publication Date
FR2230885A1 FR2230885A1 (fr) 1974-12-20
FR2230885B1 true FR2230885B1 (fr) 1977-07-29

Family

ID=9117927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7313434A Expired FR2230885B1 (fr) 1973-04-13 1973-04-13

Country Status (6)

Country Link
US (1) US3988969A (fr)
JP (1) JPS5012485A (fr)
DE (1) DE2417887A1 (fr)
FR (1) FR2230885B1 (fr)
GB (1) GB1456316A (fr)
IT (1) IT1009786B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1810426B2 (de) * 1968-06-12 1980-08-28 E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) Aromatische Polyamide enthaltende, optisch anisotrope Masse
JPS5632551Y2 (fr) * 1976-03-09 1981-08-03
FR2396883A1 (fr) * 1977-07-04 1979-02-02 Precision Industrielle Dispositif de verin hydraulique annulaire, notamment pour la commande d'un mandrin de serrage de piece sur une machine-outil
JPS551324A (en) * 1978-06-15 1980-01-08 Asahi Chem Ind Co Ltd Production of aromatic polyamide fiber
DE3674712D1 (de) * 1985-10-23 1990-11-08 Aced Sa Drehender hydraulikzylinder.
AU671627B2 (en) * 1992-05-28 1996-09-05 Akzo N.V. Para-aramide dope of low degree of polymerization, para-aramide fiber and para-aramide pulp produced therefrom and processes for producing the same
US5499503A (en) * 1994-09-22 1996-03-19 Iowa Mold Tooling Company, Inc. Hydraulic swing circuit
US6581509B1 (en) * 2001-05-25 2003-06-24 Stephens Dynamics, Inc. Rotary cylinder assembly for a machine tool
JP6392944B1 (ja) * 2017-07-07 2018-09-19 呉　▲しゅあん▼　隆 オイルチャック

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE432347A (fr) * 1938-04-27
US2318638A (en) * 1942-03-10 1943-05-11 Dorr Co Inc Valve
FR1075565A (fr) * 1953-03-09 1954-10-18 Prec Ind Vérin hydraulique de manoeuvre pour porte-pièces de machines-outils
FR1230498A (fr) * 1959-02-12 1960-09-16 Prec Ind Broche de machine-outil à moteur hydraulique incorporé
US3090544A (en) * 1962-05-02 1963-05-21 Schwitzer Corp Air lubricated bearing
US3439925A (en) * 1965-06-28 1969-04-22 Sp Mfg Corp Hydraulic cylinder
US3380350A (en) * 1965-10-22 1968-04-30 Midwest Gage Co Inc Rotating air cylinder utilizing air as air seal
GB1217391A (en) * 1967-06-30 1970-12-31 Ishikawajima Harima Heavy Ind Improvements in and relating to fluid-flow control valves
FR2055206A5 (fr) * 1970-05-09 1971-05-07 Pinto Mario Spa

Also Published As

Publication number Publication date
DE2417887A1 (de) 1974-10-24
US3988969A (en) 1976-11-02
FR2230885A1 (fr) 1974-12-20
IT1009786B (it) 1976-12-20
GB1456316A (en) 1976-11-24
JPS5012485A (fr) 1975-02-08

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Legal Events

Date Code Title Description
ST Notification of lapse