GB1354648A - Control valve in a pressure fluid operated tool - Google Patents

Control valve in a pressure fluid operated tool

Info

Publication number
GB1354648A
GB1354648A GB4320972A GB4320972A GB1354648A GB 1354648 A GB1354648 A GB 1354648A GB 4320972 A GB4320972 A GB 4320972A GB 4320972 A GB4320972 A GB 4320972A GB 1354648 A GB1354648 A GB 1354648A
Authority
GB
United Kingdom
Prior art keywords
pressure fluid
valve
channel
sept
control valve
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.)
Expired
Application number
GB4320972A
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.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
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 Atlas Copco AB filed Critical Atlas Copco AB
Publication of GB1354648A publication Critical patent/GB1354648A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/02Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
    • F16K7/04Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force
    • F16K7/06Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force by means of a screw-spindle, cam, or other mechanical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • B25B21/023Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket for imparting an axial impact, e.g. for self-tapping screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14Control devices for the reciprocating piston
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14Control devices for the reciprocating piston
    • B25D9/16Valve arrangements therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02Bending or folding
    • B29C53/04Bending or folding of plates or sheets
    • B29C53/06Forming folding lines by pressing or scoring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2711/00Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/12Paper, e.g. cardboard
    • B29K2711/126Impregnated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00Layered products
    • B29L2009/003Layered products comprising a metal layer
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/877With flow control means for branched passages
    • Y10T137/87893With fluid actuator
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00Chucks or sockets
    • Y10T279/17Socket type
    • Y10T279/17042Lost motion
    • Y10T279/17085Key retainer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Check Valves (AREA)

Abstract

1354648 Percussive tools ATLAS COPCO AB 18 Sept 1972 [17 Sept 1971] 43209/72 Heading B4C [Also in Division F2] A valve in a pressure fluid actuated tool, e.g. a nut runner, screw driver, grinding machine, blowing nozzle or a chipping hammer as shown, comprises a control valve 15, Fig. 1, formed by a hollow elastomeric element 27 open at one end towards a pressure fluid inlet 25 and deformable by a radial rod 36 or 37 to define an axial flow channel from the inlet to the appropriate outlet channel 28 or 32. Thus the valve can be used as shown to control flow of pressure fluid to the hammer piston 16 of the impact motor via channel 28, chamber 29 and disc valve 17, and also to independently control flow of pressure fluid through channel 32 and exhaust passage 20 to blow away the chippings. The element 27 has a pair of stiffening ribs 42, 43 which may be wire reinforced Fig. 7 (not shown). The element may be of frusto-conical form, Fig.2 (not shown). Projection 35 prevents rotation of the element. After removal of threaded bush 44, the element can be removed by blowing it out with compressed air delivered through passages 20, 47.
GB4320972A 1971-09-17 1972-09-18 Control valve in a pressure fluid operated tool Expired GB1354648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1182771A SE355983B (en) 1971-09-17 1971-09-17

Publications (1)

Publication Number Publication Date
GB1354648A true GB1354648A (en) 1974-06-05

Family

ID=20294695

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4320972A Expired GB1354648A (en) 1971-09-17 1972-09-18 Control valve in a pressure fluid operated tool

Country Status (10)

Country Link
US (1) US3811514A (en)
AU (1) AU462346B2 (en)
BR (1) BR7206413D0 (en)
DE (1) DE2245242C3 (en)
FR (1) FR2154036A5 (en)
GB (1) GB1354648A (en)
IT (1) IT965312B (en)
NL (1) NL7212469A (en)
SE (1) SE355983B (en)
ZA (1) ZA726083B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2537395C3 (en) * 1975-08-22 1981-12-17 Robert Bosch Gmbh, 7000 Stuttgart Pneumatic drill with a speed limiter
DK165176A (en) * 1976-04-07 1977-10-08 M B Nielsen TOOL HOLDER AND TOOL SHAFT FOR USE IN CONNECTION
FR2398581A1 (en) * 1977-07-29 1979-02-23 Maco Meudon Sa Valve for pneumatic drill - has inset trigger displacing piston rod which pivots conical plug located in air feed pipe
US4265322A (en) * 1978-09-19 1981-05-05 Maco-Meudon Compressed air feed control system for a tapping device
DE8116897U1 (en) * 1981-06-06 1982-02-25 Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen QUICK CONNECT ADAPTER FOR SIMULTANEOUSLY CONNECTING A CHIP OR GRINDING COMPRESSED AIR MACHINE TO A COMPRESSED AIR SOURCE, EXHAUST AIR, AND EXTRACTION DEVICE
US4476942A (en) * 1982-04-28 1984-10-16 Monogram Industries, Inc. Variable speed inlet control valve
US5251367A (en) * 1991-08-21 1993-10-12 Equipment Development Company, Inc. Pneumatically driven descaling tools
JP3881251B2 (en) * 2002-01-24 2007-02-14 ケーアール工業株式会社 Pneumatic tool
US7537027B2 (en) * 2003-11-24 2009-05-26 Campbell Hausfeld/Scott Fetzer Company Valve with duel outlet ports
US7743791B2 (en) * 2007-04-25 2010-06-29 China Pneumatic Corporation Air control module unit for portable pneumatic tool
US20110232475A1 (en) * 2010-03-24 2011-09-29 Ching-Shun Chang Integrated cylinder and reversing assembly module of a reciprocating pneumatic tool
JP6234093B2 (en) * 2013-07-12 2017-11-22 日東工器株式会社 Pneumatic tool

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1902562A (en) * 1931-08-06 1933-03-21 Ingersoll Rand Co Blowing device for pneumatic tools
US2946315A (en) * 1957-02-28 1960-07-26 Doeden Tool Corp Angle drive attachment for air operated hand tool
US3361219A (en) * 1965-09-15 1968-01-02 St Joseph Lead Co Down-hole drill

Also Published As

Publication number Publication date
US3811514A (en) 1974-05-21
AU4645672A (en) 1974-03-14
DE2245242A1 (en) 1973-03-29
DE2245242C3 (en) 1975-10-02
NL7212469A (en) 1973-03-20
SE355983B (en) 1973-05-14
IT965312B (en) 1974-01-31
AU462346B2 (en) 1975-06-19
FR2154036A5 (en) 1973-05-04
DE2245242B2 (en) 1975-02-13
ZA726083B (en) 1973-05-30
BR7206413D0 (en) 1973-08-30

Similar Documents

Publication Publication Date Title
GB1354648A (en) Control valve in a pressure fluid operated tool
GB1502648A (en) Pneumatically powered nut running tools
GB1462333A (en) Method of reducing the amount of oil in the air exhausted from a pneumatically operated impact motor and an impact motor for carrying out this method
GB1012612A (en) Percussion device
GB1269581A (en) Improvements in and relating to pneumatic drills
GB1476130A (en) Arrangement for silencing the exhaust of a pneumatic percussive tool
GB941753A (en) Improvements in method and apparatus for tightening bolts or nuts to a desired degree of tightness by means of an impact wrench
EP0335329A2 (en) Pneumatic impact tool
US1792894A (en) Manually-supported power tool
GB2138728A (en) Pneumatic impact tool
US3183668A (en) Percussion type rock drills
US3602315A (en) Portable hand tool
US2320340A (en) Exhaust control for air hammers
US2307847A (en) Valve for rock drills
US1804805A (en) Pneumatic feeding mechanism for machine tools
US2777424A (en) Automatic water valve for rock drills
US2443894A (en) Distributing valve for rock drills
US606844A (en) Steam pump
US2781025A (en) Distributing valve means for elastic pressure fluid driven percussion tools
US1214604A (en) Drill-sharpening apparatus.
US1303297A (en) Apparatus for pneumatic control
US574784A (en) Pneumatic tool
US1993501A (en) Rock drill
US750836A (en) Pneumatic hammer
US1825328A (en) Fluid pressure tool

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee