GB1441725A

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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(en)

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Multi-stage screw compressor

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

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