IT965451B - Perfezionamento negli scalpelli di taglio per macchine scavatrici - Google Patents

Perfezionamento negli scalpelli di taglio per macchine scavatrici

Info

Publication number: IT965451B
Authority: IT; Italy
Prior art keywords: improvement; excavating machines; cutting chisels; chisels; cutting
Prior art date: 1971-09-22

Application number

IT52886/72A

Other languages

English (en)

Italian (it)

Original Assignee

Carmet 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.)

1971-09-22

Filing date

1972-09-21

Publication date

1974-01-31

1972-09-21 Application filed by Carmet Co filed Critical Carmet Co

1974-01-31 Application granted granted Critical

1974-01-31 Publication of IT965451B publication Critical patent/IT965451B/it

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
- E21C35/1831—Fixing methods or devices
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
- E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
- E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
- E21C35/1933—Means for fixing picks or holders using bolts as main fixing elements the picks having a cylindrical shank

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Drilling And Exploitation, And Mining Machines And Methods (AREA)
Earth Drilling (AREA)

IT52886/72A 1971-09-22 1972-09-21 Perfezionamento negli scalpelli di taglio per macchine scavatrici IT965451B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US18279171A	1971-09-22	1971-09-22

Publications (1)

Publication Number	Publication Date
IT965451B true IT965451B (it)	1974-01-31

Family

ID=22670054

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT52886/72A IT965451B (it)	1971-09-22	1972-09-21	Perfezionamento negli scalpelli di taglio per macchine scavatrici

Country Status (6)

Country	Link
US (1)	US3751114A (de)
CA (1)	CA958425A (de)
DE (1)	DE2246206A1 (de)
FR (1)	FR2153441B1 (de)
GB (1)	GB1395388A (de)
IT (1)	IT965451B (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4529048A (en) *	1982-10-06	1985-07-16	Megadiamond Industries, Inc.	Inserts having two components anchored together at a non-perpendicular angle of attachment for use in rotary type drag bits
DE3531384A1 (de) *	1985-09-03	1987-03-12	Berchem & Schaberg Gmbh	Werkzeugaggregat fuer einen rotierenden schneidkopf einer abbaumaschine
US4842337A (en) *	1986-11-04	1989-06-27	Southern Philip W	Mining bit and holder
US5230548A (en) *	1992-08-21	1993-07-27	Southern Philip W	Longwall cutter drum having reduced production of dust
CN103498674A (zh) *	2010-12-06	2014-01-08	李仕清	一种复合旋切的采掘机
US10323514B2 (en)	2013-05-16	2019-06-18	Us Synthetic Corporation	Shear cutter pick milling system
WO2014186212A1 (en)	2013-05-16	2014-11-20	Us Synthetic Corporation	Road-removal system employing polycrystalline diamond compacts
GB2543220A (en) *	2013-06-18	2017-04-12	Esco Corp	Mineral winning pick, pick holder, and combination
US10414069B2 (en)	2014-04-30	2019-09-17	Us Synthetic Corporation	Cutting tool assemblies including superhard working surfaces, material-removing machines including cutting tool assemblies, and methods of use
US10408057B1 (en)	2014-07-29	2019-09-10	Apergy Bmcs Acquisition Corporation	Material-removal systems, cutting tools therefor, and related methods
USD798920S1 (en)	2015-09-25	2017-10-03	Us Synthetic Corporation	Cutting tool assembly
USD798350S1 (en)	2015-09-25	2017-09-26	Us Synthetic Corporation	Cutting tool assembly
US10648330B1 (en)	2015-09-25	2020-05-12	Us Synthetic Corporation	Cutting tool assemblies including superhard working surfaces, cutting tool mounting assemblies, material-removing machines including the same, and methods of use
CN106382117B (zh) *	2016-11-03	2018-11-02	太原理工大学	横轴式掘进机截齿及其截割头载荷模拟方法
GB201804696D0 (en) *	2018-03-23	2018-05-09	Element Six Uk Ltd	Rock cutting machine
US10889966B2 (en) *	2018-04-13	2021-01-12	Caterpillar Inc.	Drafted tool bit and blade assembly
CN113586049B (zh) *	2021-08-04	2024-05-31	宝钢集团新疆八一钢铁有限公司	一种适用于变形巷道采煤的采煤装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1866082A (en) *	1927-08-10	1932-07-05	Anthony E Carlson	Expansion drill bit
US1819273A (en) *	1930-06-28	1931-08-18	Edwin C Weisgerber	Expansible fish tail bit
US2728366A (en) *	1952-07-11	1955-12-27	Albert F Woodell	Rotary cutter heads with resilient blade holding arms
US2810567A (en) *	1956-02-01	1957-10-22	Gen Electric	Cutter tool assembly providing a floating fit between tool and holder
GB1138531A (en) *	1965-04-02	1969-01-01	Coal Industry Patents Ltd	Mining ploughs and cutter tool-mounting adaptors for use in such ploughs

1971
- 1971-09-22 US US00182791A patent/US3751114A/en not_active Expired - Lifetime
1972
- 1972-09-21 GB GB4375372A patent/GB1395388A/en not_active Expired
- 1972-09-21 IT IT52886/72A patent/IT965451B/it active
- 1972-09-21 CA CA152,291A patent/CA958425A/en not_active Expired
- 1972-09-21 DE DE2246206A patent/DE2246206A1/de active Pending
- 1972-09-22 FR FR7233759A patent/FR2153441B1/fr not_active Expired

Also Published As

Publication number	Publication date
FR2153441B1 (de)	1977-01-14
DE2246206A1 (de)	1973-04-05
CA958425A (en)	1974-11-26
US3751114A (en)	1973-08-07
FR2153441A1 (de)	1973-05-04
GB1395388A (en)	1975-05-29

Publication	Publication Date	Title
IT961390B (it)	1973-12-10	Perfezionamento negli utensili da taglio rotanti
IT982999B (it)	1974-10-21	Perfezionamento nei dispositivi a rotolamento per il taglio di roccia
IT965451B (it)	1974-01-31	Perfezionamento negli scalpelli di taglio per macchine scavatrici
IT976996B (it)	1974-09-10	Perfezionamento negli strumenti per scrivere
IT989738B (it)	1975-06-10	Perfezionamento negli utensili di taglio a taglienti riportati
IT942956B (it)	1973-04-02	Macchina per il taglio di chiavi
IT961836B (it)	1973-12-10	Perfezionamento negli utensili da taglio
AU4427472A (en)	1974-01-10	Rock cutting machine
IT953856B (it)	1973-08-10	Utensile per forare materiale pietroso
IT1000823B (it)	1976-04-10	Macchina per abradere
DK144674C (da)	1982-10-11	Klippemaskine
IT956861B (it)	1973-10-10	Macchina utensile quale una macchina per affilare o una fresatrice
IT988724B (it)	1975-04-30	Utensile per troncatura
IT976012B (it)	1974-08-20	Utensile da taglio per macchine utensili
IT959099B (it)	1973-11-10	Macchina spingitubi per trivella zioni orizzontali
IT997398B (it)	1975-12-30	Utensili per operazioni di molatura
IT971993B (it)	1974-05-10	Attrezzatura per macchine utensili
ZA734360B (en)	1974-06-26	Dividing cutting machine
AU5753173A (en)	1975-01-09	Dividing cutting machine
IT992922B (it)	1975-09-30	Macchina per smerigliare
IT1019134B (it)	1977-11-10	Perfezionamento negli utensili manuali in particolare utensili di taglio
ZA734359B (en)	1974-06-26	Dividing cutting machine
BE773497A (fr)	1972-04-05	Outils pour machine
IT978182B (it)	1974-09-20	Utensile per fresatrice
IT944308B (it)	1973-04-20	Macchina per ritagliare pezzi in falde