GB1441725A – Pneumatic power tool
– Google Patents
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
1973-05-30
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.)
1973-05-30
Filing date
1974-05-29
Publication date
1976-07-07
1974-05-29
Application filed by Black and Decker Manufacturing Co
filed
Critical
Black and Decker Manufacturing Co
1976-07-07
Publication of GB1441725A
publication
Critical
patent/GB1441725A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
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
US7216739B2
(en)
*
1998-01-13
2007-05-15
Exhaust Technologies, Inc.
Muffler for pneumatic hand tool
US6926117B2
(en)
*
1998-01-13
2005-08-09
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
US9849575B2
(en)
*
2011-01-18
2017-12-26
Dino Paoli S.R.L.
Pneumatic screwer
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
1973
1973-05-30
US
US00365199A
patent/US3823795A/en
not_active
Expired – Lifetime
1974
1974-04-16
CA
CA197,586A
patent/CA1010732A/en
not_active
Expired
1974-05-08
DE
DE2422145A
patent/DE2422145A1/en
not_active
Ceased
1974-05-16
FR
FR7417018A
patent/FR2231481B1/fr
not_active
Expired
1974-05-22
IT
IT23122/74A
patent/IT1012771B/en
active
1974-05-29
CH
CH735374A
patent/CH577355A5/xx
not_active
IP Right Cessation
1974-05-29
GB
GB2371574A
patent/GB1441725A/en
not_active
Expired
1974-05-30
JP
JP6033774A
patent/JPS5418786B2/ja
not_active
Expired
Also Published As
Publication number
Publication date
JPS5020381A
(en)
1975-03-04
DE2422145A1
(en)
1975-02-13
CA1010732A
(en)
1977-05-24
FR2231481A1
(en)
1974-12-27
JPS5418786B2
(en)
1979-07-10
CH577355A5
(en)
1976-07-15
IT1012771B
(en)
1977-03-10
FR2231481B1
(en)
1977-10-28
US3823795A
(en)
1974-07-16
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Legal Events
Date
Code
Title
Description
1976-11-17
PS
Patent sealed [section 19, patents act 1949]
1979-11-14
732
Registration of transactions, instruments or events in the register (sect. 32/1977)
1994-06-29
PE20
Patent expired after termination of 20 years
Effective date:
19940528
