ATE201491T1 - PIPE FORGING DEVICE WITH HYDRAULIC DRIVE - Google Patents

PIPE FORGING DEVICE WITH HYDRAULIC DRIVE

Info

Publication number
ATE201491T1
ATE201491T1 AT98118890T AT98118890T ATE201491T1 AT E201491 T1 ATE201491 T1 AT E201491T1 AT 98118890 T AT98118890 T AT 98118890T AT 98118890 T AT98118890 T AT 98118890T AT E201491 T1 ATE201491 T1 AT E201491T1
Authority
AT
Austria
Prior art keywords
chamber
cylinder
reservoir
conduit
rod
Prior art date
Application number
AT98118890T
Other languages
German (de)
Inventor
Giorgio Vezzani
Original Assignee
Cbc Spa
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 Cbc Spa filed Critical Cbc Spa
Application granted granted Critical
Publication of ATE201491T1 publication Critical patent/ATE201491T1/en

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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Surgical Instruments (AREA)
  • Actuator (AREA)

Abstract

A conventional swaging gripper (90) with two jaws (92) can be applied to the device (82) for swaging metal pipes (100). The closure movement of the jaws (92) which squeeze the pipe (100) is achieved by a hydraulic transmission comprising: a cylinder (44) within which a rod (52) is movable in both directions, one end of the rod emerging from the cylinder (44) through a suitable sealed aperture and to its other end there being coaxially fixed a sealed piston (54) which divides the interior of the cylinder (44) into a first chamber (42) and a second chamber (58) both containing an incompressible liquid, the outer end of the rod carrying means (80) for opening the jaws (92) of the pipe swaging gripper (90), applicable to the pipe swaging device (82), as a result of volume increase of the first chamber (42); a reservoir (34) also containing said incompressible liquid, the reservoir shell having a part (74) deformable elastically within a predetermined range as a result of variation in the liquid quantity within the reservoir (34); a plunger pump (30) to withdraw the liquid contained in the reservoir (34) and to feed it under pressure into the first chamber (42) of the cylinder (44) via a first conduit (36, 46, 48); a second conduit (72) which connects the second chamber (58) of the cylinder (44) to the reservoir (34); a third conduit (53) which connects the first chamber (42) to the reservoir (34) by by-passing the pump (30); manually operable shut-off means (51, 49) provided in the third conduit (53); and elastic return means (55) for returning the rod (52) into the position corresponding to minimum volume of the first chamber (42) of the cylinder (44) when the shut-off means (51, 49) in the third conduit (53) are open. <IMAGE>
AT98118890T 1997-10-13 1998-10-06 PIPE FORGING DEVICE WITH HYDRAULIC DRIVE ATE201491T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97MI002312A IT1295321B1 (en) 1997-10-13 1997-10-13 HYDRAULIC TRANSMISSION PIPE CHOKE DEVICE

Publications (1)

Publication Number Publication Date
ATE201491T1 true ATE201491T1 (en) 2001-06-15

Family

ID=11378032

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98118890T ATE201491T1 (en) 1997-10-13 1998-10-06 PIPE FORGING DEVICE WITH HYDRAULIC DRIVE

Country Status (5)

Country Link
EP (1) EP0908657B1 (en)
AT (1) ATE201491T1 (en)
DE (1) DE69800825T2 (en)
ES (1) ES2157108T3 (en)
IT (1) IT1295321B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1316351B1 (en) * 2000-02-07 2003-04-10 Cbc Spa AUTOMATIC HYDRAULIC TRANSMISSION PIPE CHOKE DEVICE
ATE347973T1 (en) 2000-05-25 2007-01-15 Arx Ag PRESSING TOOL FOR PRESSING CLUTCH ELEMENTS
ATE529224T1 (en) 2005-07-19 2011-11-15 Autocondizionatori Zani S R L TOOL FOR CONNECTING CABLES USING CONNECTING SLEEVES
DE102006003044B4 (en) 2006-01-23 2015-10-08 Gustav Klauke Gmbh Hydraulically driven grouting device and method for pressing a fitting
DE102007005837B4 (en) * 2006-02-03 2016-04-07 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Drive unit for a pressing device
DE202006001889U1 (en) * 2006-02-03 2007-03-08 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Drive unit e.g. for press equipment, has motor and attached hydraulic unit which has piston cylinder unit with electric motor propels hydraulic pump having reservoir for hydraulic fluid and connected to piston cylinder unit
DE102007030644A1 (en) * 2007-07-02 2009-01-08 Gustav Klauke Gmbh Hydraulically operated hand tool
CN109676913B (en) * 2018-12-29 2024-06-07 张家港市剑泉工具制造有限公司 Automatic sleeving device for pliers handle sleeve
CN117388083B (en) * 2023-12-13 2024-02-13 常州森鸿装饰材料股份有限公司 Floor intensity detection device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2869407A (en) * 1954-10-15 1959-01-20 Greenlee Bros & Co Portable metal working tool
DE2136782C2 (en) * 1971-07-23 1982-12-02 Novopress GmbH Pressen und Presswerkzeuge & Co KG, 4000 Düsseldorf Portable pressure fluid operated clamping tool
EP0389716B1 (en) * 1989-03-31 1994-05-18 Japan Storage Battery Company Limited Cam crank mechanism and motor driven hydraulic tool
IT237303Y1 (en) * 1995-11-23 2000-09-05 Cbc Spa HYDRAULIC TRANSMISSION PIPE BENDING MACHINE

Also Published As

Publication number Publication date
EP0908657A1 (en) 1999-04-14
ITMI972312A1 (en) 1999-04-13
ES2157108T3 (en) 2001-08-01
DE69800825D1 (en) 2001-06-28
EP0908657B1 (en) 2001-05-23
DE69800825T2 (en) 2001-09-27
IT1295321B1 (en) 1999-05-04

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