FR2207248B3 - - Google Patents

Info

Publication number
FR2207248B3
FR2207248B3 FR7318407A FR7318407A FR2207248B3 FR 2207248 B3 FR2207248 B3 FR 2207248B3 FR 7318407 A FR7318407 A FR 7318407A FR 7318407 A FR7318407 A FR 7318407A FR 2207248 B3 FR2207248 B3 FR 2207248B3
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
FR7318407A
Other versions
FR2207248A1 (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.)
Hofmann & Co KG W
Original Assignee
Hofmann & Co KG W
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 Hofmann & Co KG W filed Critical Hofmann & Co KG W
Publication of FR2207248A1 publication Critical patent/FR2207248A1/fr
Application granted granted Critical
Publication of FR2207248B3 publication Critical patent/FR2207248B3/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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S251/00—Valves and valve actuation
    • Y10S251/90—Valves with o-rings
    • 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
    • Y10T279/00—Chucks or sockets
    • Y10T279/12—Chucks or sockets with fluid-pressure actuator
    • Y10T279/1208—Chucks or sockets with fluid-pressure actuator with measuring, indicating or control means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Actuator (AREA)
  • Gripping On Spindles (AREA)
FR7318407A 1972-11-21 1973-05-21 Expired FR2207248B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2256933A DE2256933C3 (de) 1972-11-21 1972-11-21 Druckmittelbetätigter umlaufender Spannzylinder für Spanneinrichtungen

Publications (2)

Publication Number Publication Date
FR2207248A1 FR2207248A1 (fr) 1974-06-14
FR2207248B3 true FR2207248B3 (fr) 1976-07-23

Family

ID=5862283

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7318407A Expired FR2207248B3 (fr) 1972-11-21 1973-05-21

Country Status (4)

Country Link
US (1) US3855902A (fr)
DE (1) DE2256933C3 (fr)
FR (1) FR2207248B3 (fr)
IT (1) IT980833B (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4209031A (en) * 1978-02-01 1980-06-24 General Signal Corporation Positive control valve assembly
DE7932853U1 (de) * 1979-11-21 1980-02-21 Roehm, Guenter Horst, 7927 Sontheim Umlaufender spannzylinder mit spannkolben fuer spanneinrichtungen an werkzeugmaschinen
DE3049099A1 (de) * 1980-12-24 1982-07-15 SMW Schneider & Weißhaupt GmbH, 7996 Meckenbeuren Entsperrbares rueckschlagventil
DE19539135C1 (de) * 1995-10-20 1997-03-27 Berg & Co Gmbh Spannantrieb, insbesondere für rotierend angetriebene Spannmittel von Werkzeugmaschinen
EP1136159B1 (fr) * 2000-03-23 2005-07-20 Illinois Tool Works, Inc. Moyen indépendant de la rotation pour activer une partie de machine
US7775966B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. Non-invasive pressure measurement in a fluid adjustable restrictive device
US7927270B2 (en) 2005-02-24 2011-04-19 Ethicon Endo-Surgery, Inc. External mechanical pressure sensor for gastric band pressure measurements
US7775215B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. System and method for determining implanted device positioning and obtaining pressure data
US8066629B2 (en) 2005-02-24 2011-11-29 Ethicon Endo-Surgery, Inc. Apparatus for adjustment and sensing of gastric band pressure
US7658196B2 (en) 2005-02-24 2010-02-09 Ethicon Endo-Surgery, Inc. System and method for determining implanted device orientation
US8016744B2 (en) 2005-02-24 2011-09-13 Ethicon Endo-Surgery, Inc. External pressure-based gastric band adjustment system and method
US7699770B2 (en) 2005-02-24 2010-04-20 Ethicon Endo-Surgery, Inc. Device for non-invasive measurement of fluid pressure in an adjustable restriction device
US8152710B2 (en) 2006-04-06 2012-04-10 Ethicon Endo-Surgery, Inc. Physiological parameter analysis for an implantable restriction device and a data logger
US8870742B2 (en) 2006-04-06 2014-10-28 Ethicon Endo-Surgery, Inc. GUI for an implantable restriction device and a data logger
US8187163B2 (en) 2007-12-10 2012-05-29 Ethicon Endo-Surgery, Inc. Methods for implanting a gastric restriction device
US8100870B2 (en) 2007-12-14 2012-01-24 Ethicon Endo-Surgery, Inc. Adjustable height gastric restriction devices and methods
US8142452B2 (en) 2007-12-27 2012-03-27 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8377079B2 (en) 2007-12-27 2013-02-19 Ethicon Endo-Surgery, Inc. Constant force mechanisms for regulating restriction devices
US8192350B2 (en) 2008-01-28 2012-06-05 Ethicon Endo-Surgery, Inc. Methods and devices for measuring impedance in a gastric restriction system
US8337389B2 (en) 2008-01-28 2012-12-25 Ethicon Endo-Surgery, Inc. Methods and devices for diagnosing performance of a gastric restriction system
US8591395B2 (en) 2008-01-28 2013-11-26 Ethicon Endo-Surgery, Inc. Gastric restriction device data handling devices and methods
US8221439B2 (en) 2008-02-07 2012-07-17 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using kinetic motion
US7844342B2 (en) 2008-02-07 2010-11-30 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using light
US8114345B2 (en) 2008-02-08 2012-02-14 Ethicon Endo-Surgery, Inc. System and method of sterilizing an implantable medical device
US8591532B2 (en) 2008-02-12 2013-11-26 Ethicon Endo-Sugery, Inc. Automatically adjusting band system
US8057492B2 (en) 2008-02-12 2011-11-15 Ethicon Endo-Surgery, Inc. Automatically adjusting band system with MEMS pump
US8034065B2 (en) 2008-02-26 2011-10-11 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8233995B2 (en) 2008-03-06 2012-07-31 Ethicon Endo-Surgery, Inc. System and method of aligning an implantable antenna
US8187162B2 (en) 2008-03-06 2012-05-29 Ethicon Endo-Surgery, Inc. Reorientation port
CN105673614A (zh) * 2016-02-25 2016-06-15 南京诚友数控设备有限公司 旋转接头

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1006236B (de) * 1956-04-06 1957-04-11 Forkardt Paul Kg Umlaufender Pressluftzylinder fuer Spanneinrichtungen an Werkzeugmaschinen
US3120788A (en) * 1959-07-07 1964-02-11 Leduc Rene Double-acting fluid-pressure jack
US3130645A (en) * 1961-05-29 1964-04-28 Woodworth Co N A Slip ring
FR2042063A6 (fr) * 1969-04-11 1971-02-05 Roehm Gmbh
US3618690A (en) * 1969-05-20 1971-11-09 Caterpillar Tractor Co Damping and air-purging means for relief valve
US3596567A (en) * 1969-08-12 1971-08-03 Milton L Benjamin Fail-safe valve assembly for power chuck motors and the like
US3698434A (en) * 1971-04-01 1972-10-17 Int Harvester Co Hydraulic directional control valve

Also Published As

Publication number Publication date
DE2256933A1 (de) 1974-06-06
IT980833B (it) 1974-10-10
US3855902A (en) 1974-12-24
FR2207248A1 (fr) 1974-06-14
DE2256933B2 (de) 1974-09-05
DE2256933C3 (de) 1975-05-07

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Legal Events

Date Code Title Description
ST Notification of lapse