ZA784742B - Hammer - Google Patents

Hammer

Info

Publication number: ZA784742B
Authority: ZA; South Africa
Prior art keywords: hammer
Prior art date: 1977-09-06

Application number

ZA00784742A

Other languages

English (en)

Inventor

M Etherington

D Roberts

Original Assignee

Joy Mfg 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.)

1977-09-06

Filing date

1978-08-21

Publication date

1979-08-29

1978-08-21 Application filed by Joy Mfg Co filed Critical Joy Mfg Co

1979-08-29 Publication of ZA784742B publication Critical patent/ZA784742B/xx

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/16—Drives for riveting machines; Transmission means therefor
- B21J15/22—Drives for riveting machines; Transmission means therefor operated by both hydraulic or liquid pressure and gas pressure
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/20—Drives for hammers; Transmission means therefor
- B21J7/22—Drives for hammers; Transmission means therefor for power hammers
- B21J7/24—Drives for hammers; Transmission means therefor for power hammers operated by steam, air, or other gaseous pressure
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/20—Drives for hammers; Transmission means therefor
- B21J7/22—Drives for hammers; Transmission means therefor for power hammers
- B21J7/28—Drives for hammers; Transmission means therefor for power hammers operated by hydraulic or liquid pressure
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/20—Drives for hammers; Transmission means therefor
- B21J7/46—Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Percussive Tools And Related Accessories (AREA)
Details Of Reciprocating Pumps (AREA)
Valve Device For Special Equipments (AREA)

ZA00784742A 1977-09-06 1978-08-21 Hammer ZA784742B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/830,557 US4150603A (en)	1977-09-06	1977-09-06	Fluid operable hammer

Publications (1)

Publication Number	Publication Date
ZA784742B true ZA784742B (en)	1979-08-29

Family

ID=25257204

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00784742A ZA784742B (en)	1977-09-06	1978-08-21	Hammer

Country Status (13)

Country	Link
US (1)	US4150603A (fr)
JP (1)	JPS5493603A (fr)
AU (1)	AU519222B2 (fr)
BE (1)	BE869997A (fr)
BR (1)	BR7805798A (fr)
CA (1)	CA1106249A (fr)
DE (1)	DE2837712A1 (fr)
ES (1)	ES473092A1 (fr)
FR (1)	FR2401745A1 (fr)
GB (1)	GB2003774B (fr)
IT (1)	IT1106631B (fr)
WO (1)	WO1979000131A1 (fr)
ZA (1)	ZA784742B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4261249A (en) *	1978-09-08	1981-04-14	Joy Manufacturing Company	Hammer
US4295411A (en) *	1979-10-03	1981-10-20	Joy Manufacturing Company	Impactor
US4796428A (en) *	1983-01-17	1989-01-10	Oilgear Towler, Inc.	Double-acting forging hammer and method
US4828048A (en) *	1986-11-10	1989-05-09	Mayer James R	Hydraulic Percussion tool
US5680904A (en) *	1995-11-30	1997-10-28	Patterson; William N.	In-the-hole percussion rock drill
US6464023B2 (en)	1999-01-27	2002-10-15	William N. Patterson	Hydraulic in-the-hole percussion rock drill
CA2295463C (fr)	1999-01-27	2008-04-29	William N. Patterson	Marteau perforateur hydraulique de roche fond de trou
US6155361A (en) *	1999-01-27	2000-12-05	Patterson; William N.	Hydraulic in-the-hole percussion rock drill
US7681664B2 (en) *	2008-03-06	2010-03-23	Patterson William N	Internally dampened percussion rock drill
CN118774577B (zh) *	2024-07-09	2025-05-30	中国平煤神马控股集团有限公司	高能高频液动正循环冲击器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3079900A (en) *	1961-06-26	1963-03-05	Applied Power Ind Inc	Fluid motor
USRE27244E (en)	1969-11-26	1971-12-14		Device for building up high pulse liquid pressures
US3735823A (en) *	1970-05-01	1973-05-29	Nippon Pneumatic Mfg	Impact motive implement
US3872934A (en) *	1973-10-30	1975-03-25	Nippon Pneumatic Mfg	Impact tool
US4012909A (en) *	1974-06-11	1977-03-22	Hibbard George A	Hammer
DE2600948C3 (de) *	1976-01-13	1984-04-19	Knäbel, Horst, Ing.(grad.), 4005 Meerbusch	Krafteinheit als Arbeitsorgan, z.B. für Pressen zum Formgeben, Verdichten usw.

1977
- 1977-09-06 US US05/830,557 patent/US4150603A/en not_active Expired - Lifetime
1978
- 1978-08-21 ZA ZA00784742A patent/ZA784742B/xx unknown
- 1978-08-28 FR FR7824822A patent/FR2401745A1/fr active Pending
- 1978-08-28 BE BE1009031A patent/BE869997A/fr unknown
- 1978-08-30 DE DE19782837712 patent/DE2837712A1/de not_active Withdrawn
- 1978-09-01 CA CA310,476A patent/CA1106249A/fr not_active Expired
- 1978-09-01 WO PCT/US1978/000076 patent/WO1979000131A1/fr not_active Ceased
- 1978-09-01 AU AU39485/78A patent/AU519222B2/en not_active Expired
- 1978-09-05 GB GB7835698A patent/GB2003774B/en not_active Expired
- 1978-09-05 BR BR7805798A patent/BR7805798A/pt unknown
- 1978-09-05 ES ES473092A patent/ES473092A1/es not_active Expired
- 1978-09-06 IT IT50990/78A patent/IT1106631B/it active
- 1978-09-06 JP JP10951578A patent/JPS5493603A/ja active Pending

Also Published As

Publication number	Publication date
WO1979000131A1 (fr)	1979-03-22
FR2401745A1 (fr)	1979-03-30
DE2837712A1 (de)	1979-03-15
IT1106631B (it)	1985-11-11
AU3948578A (en)	1980-03-06
BR7805798A (pt)	1979-05-15
GB2003774A (en)	1979-03-21
US4150603A (en)	1979-04-24
IT7850990A0 (it)	1978-09-06
AU519222B2 (en)	1981-11-19
ES473092A1 (es)	1979-05-01
BE869997A (fr)	1979-02-28
JPS5493603A (en)	1979-07-24
GB2003774B (en)	1982-01-27
CA1106249A (fr)	1981-08-04

Publication	Publication Date	Title
JPS5411001A (en)	1979-01-26	Hammer drill
JPS5411577A (en)	1979-01-27	Percussion tool
JPS5396901A (en)	1978-08-24	Hammer drill
JPS5389816A (en)	1978-08-08	Ferriteebased corrosionnresistant chromee molybdenummnickel steel
CS222256B2 (en)	1983-06-24	Hammer crusher
JPS5489508A (en)	1979-07-16	Special hand set
GB2010729B (en)	1982-03-24	Tools
JPS5470963A (en)	1979-06-07	Impact type dicoaticator
GB2004478B (en)	1982-03-17	Combination tool
JPS53135801A (en)	1978-11-27	Hammer drill
JPS5394402A (en)	1978-08-18	Underwater hammer
AU4150278A (en)	1979-06-21	Tool
GB2061947B (en)	1982-08-04	Dibenzocycloheptenimines
JPS5389203A (en)	1978-08-05	Earthhmoving tool
GB2007740B (en)	1982-05-06	Construction
ZA782773B (en)	1979-05-30	Hammer block
JPS543308A (en)	1979-01-11	Underwater hammer
JPS5477203A (en)	1979-06-20	Striking tool
JPS5471499A (en)	1979-06-08	Purcusion tool
JPS5473111A (en)	1979-06-12	Acrotine b
JPS53141726A (en)	1978-12-09	Type hammer
JPS5466302A (en)	1979-05-28	Power hammer
JPS5389204A (en)	1978-08-05	Earthhmoving tool
YU101878A (en)	1982-06-30	Hammer mill
JPS5414320A (en)	1979-02-02	Heattand heattcheckkresistant steel