GB1441725A - Pneumatic power tool - Google Patents

Pneumatic power tool

Info

Publication number
GB1441725A
GB1441725A GB2371574A GB2371574A GB1441725A GB 1441725 A GB1441725 A GB 1441725A GB 2371574 A GB2371574 A GB 2371574A GB 2371574 A GB2371574 A GB 2371574A GB 1441725 A GB1441725 A GB 1441725A
Authority
GB
United Kingdom
Prior art keywords
chamber
power tool
pneumatic power
holes
muffling
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
GB2371574A
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.)
Black and Decker Corp
Original Assignee
Black and Decker Manufacturing Co
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 Black and Decker Manufacturing Co filed Critical Black and Decker Manufacturing Co
Publication of GB1441725A publication Critical patent/GB1441725A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/001—Gas flow channels or gas chambers being at least partly formed in the structural parts of the engine or machine
    • 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
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • 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
    • Y10S173/00—Tool driving or impacting
    • Y10S173/02—Sound muffling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Portable Power Tools In General (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)

Abstract

1441725 Muffling arrangement for power tools BLACK & DECKER MFG CO 29 May 1974 [30 May 1973] 23715/74 Heading B3N [Also in Divisions F1 and B4] In a pneumatic power tool air is exhausted from aperture 16 into a chamber 17. A muffling insert 20 is fixed in the chamber by a screw 21. The insert forms a second chamber with holes 28 connecting it to chamber 17 and to the atmosphere. The holes have a length to diameter ratio of from 1 to 1 to 4 to 1.
GB2371574A 1973-05-30 1974-05-29 Pneumatic power tool Expired GB1441725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00365199A US3823795A (en) 1973-05-30 1973-05-30 Air tool muffler

Publications (1)

Publication Number Publication Date
GB1441725A true GB1441725A (en) 1976-07-07

Family

ID=23437876

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2371574A Expired GB1441725A (en) 1973-05-30 1974-05-29 Pneumatic power tool

Country Status (8)

Country Link
US (1) US3823795A (en)
JP (1) JPS5418786B2 (en)
CA (1) CA1010732A (en)
CH (1) CH577355A5 (en)
DE (1) DE2422145A1 (en)
FR (1) FR2231481B1 (en)
GB (1) GB1441725A (en)
IT (1) IT1012771B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020607A (en) * 1989-12-13 1991-06-04 Sentivan Robert R Lug-removing pneumatic impact-gun air blast-deflector
US6926117B2 (en) * 1998-01-13 2005-08-09 Exhaust Technologies, Inc. Muffler for pneumatic hand tool
US7216739B2 (en) * 1998-01-13 2007-05-15 Exhaust Technologies, Inc. Muffler for pneumatic hand tool
US6062323A (en) * 1998-07-21 2000-05-16 Snap-On Tools Company Pneumatic tool with increased power capability
US6199383B1 (en) * 1999-02-11 2001-03-13 Snap-On Tools Company Pneumatic tool and air deflector boot therefor
JP2002089227A (en) * 2000-09-13 2002-03-27 Kuken:Kk Noise suppressor in air tool
US7549509B2 (en) * 2005-04-21 2009-06-23 Ingersoll-Rand Company Double throat pulsation dampener for a compressor
CA2545971A1 (en) * 2006-05-09 2007-11-09 Justin Moore Muffler diffuser
TWM307494U (en) * 2006-05-19 2007-03-11 Tranmax Machinery Co Ltd Improved structure of exhausting end of longitudinal pneumatic wrench
US20080099225A1 (en) * 2006-10-25 2008-05-01 Sunmatch Industrial Co., Ltd. Pen-type pneumatic tool having a manual airflow control knob
TW200940280A (en) * 2008-03-28 2009-10-01 Tranmax Machinery Co Ltd Pneumatic tool with noise reduction function
EP2933062B1 (en) * 2011-01-18 2016-12-14 Dino Paoli S.r.l. Switch

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2073480A (en) * 1934-10-04 1937-03-09 Ingersoll Rand Co Muffling device
US2169359A (en) * 1938-12-05 1939-08-15 Barnes & Jones Inc Orifice device
GB810398A (en) * 1957-01-22 1959-03-18 Siemens Edison Swan Ltd Silencing device for pneumatically operated hand tools
US2950775A (en) * 1958-01-13 1960-08-30 Aro Equipment Corp Exhaust noise reducing and air diffusing means for pneumatic motors
US2966138A (en) * 1958-05-12 1960-12-27 Robert C Quackenbush Muffler construction for portable pneumatic tool
JPS4117998Y1 (en) * 1964-05-22 1966-08-20
US3407885A (en) * 1967-03-10 1968-10-29 Reed International Inc Air balance for impact wrenches
US3384200A (en) * 1967-03-16 1968-05-21 Gardner Denver Co Exhaust muffler for pneumatic tool
JPS4736623U (en) * 1971-04-28 1972-12-22

Also Published As

Publication number Publication date
JPS5418786B2 (en) 1979-07-10
US3823795A (en) 1974-07-16
FR2231481A1 (en) 1974-12-27
JPS5020381A (en) 1975-03-04
CH577355A5 (en) 1976-07-15
CA1010732A (en) 1977-05-24
DE2422145A1 (en) 1975-02-13
IT1012771B (en) 1977-03-10
FR2231481B1 (en) 1977-10-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19940528