NL102769C - - Google Patents

Info

Publication number: NL102769C
Authority: NL; Netherlands

Application number

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.)

1957-04-19

Publication of NL102769C publication Critical patent/NL102769C/xx

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Structural Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Joining Of Building Structures In Genera (AREA)
Dowels (AREA)
Piles And Underground Anchors (AREA)

NL102769D 1957-04-19 NL102769C (cs)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR3025742X		1957-04-19

Publications (1)

Publication Number	Publication Date
NL102769C true NL102769C (cs)

Family

ID=9691049

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL226416D NL226416A (cs)	1957-04-19
NL102769D NL102769C (cs)	1957-04-19

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL226416D NL226416A (cs)	1957-04-19

Country Status (5)

Country	Link
US (1)	US3025742A (cs)
BE (1)	BE566098A (cs)
DE (1)	DE1107170B (cs)
LU (1)	LU36003A1 (cs)
NL (2)	NL102769C (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3683741A (en) *	1970-04-06	1972-08-15	George H Pete	Mine roof expansion shell assembly
US4132080A (en) *	1977-11-07	1979-01-02	Stratabolt Corporation	Resin anchored rock or mine roof bolt anchor mechanism
CN105840610B (zh) *	2016-05-11	2017-11-07	国家电网公司	一种膨胀螺栓及其扩孔工具

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US529742A (en) *		1894-11-27		Nut-lock
CA515957A (en) *		1955-08-23	B. Dempsey Joseph	Mine roof bolt
US1033447A (en) *	1912-02-08	1912-07-23	Herbert W Mower	Expansion-bolt.
US1420532A (en) *	1920-11-09	1922-06-20	John F Pennewell	Pipe grip
US1960405A (en) *	1932-05-20	1934-05-29	Amor George William	Connection or coupling for tubular bodies
US2028328A (en) *	1933-08-18	1936-01-21	Bassick Co	Expansion insert or caster socket for tubular legs or the like
US2207009A (en) *	1937-07-03	1940-07-09	Hubbard & Co	Fastening or anchoring means for insulator supporting pins
US2241343A (en) *	1940-04-04	1941-05-06	Fleaca John	Expansion shell for machine bolts
GB754482A (en) *	1953-04-28	1956-08-08	Anciens Ets Lissments Goldenbe	Improvements in and relating to bolt and like anchoring devices
US2774273A (en) *	1953-09-30	1956-12-18	Henry N Olson	Anchor bolt having wedge shaped expander member secured thereto

0
- NL NL226416D patent/NL226416A/xx unknown
- NL NL102769D patent/NL102769C/xx active
- BE BE566098D patent/BE566098A/xx unknown
- LU LU36003D patent/LU36003A1/xx unknown
1958
- 1958-04-01 DE DEA29170A patent/DE1107170B/de active Pending
- 1958-04-02 US US725838A patent/US3025742A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE1107170B (de)	1961-05-25
BE566098A (cs)
US3025742A (en)	1962-03-20
LU36003A1 (cs)
NL226416A (cs)

Publication	Publication Date	Title
BE567191A (cs)
AT213752B (cs)	1961-02-27
BE568641A (cs)
BE620350A (cs)
BE554048A (cs)	1957-01-31
BE555021A (cs)
BE555193A (cs)
BE555635A (cs)
BE556147A (cs)
BE556692A (cs)	1957-04-30
BE557016A (cs)
BE559946A (cs)
BE560266A (cs)
BE560607A (cs)
BE562044A (cs)
BE562684A (cs)
BE563314A (cs)
BE563759A (cs)
BE563783A (cs)
BE563850A (cs)
BE563869A (cs)
BE563954A (cs)
BE564208A (cs)
BE564268A (cs)
BE564406A (cs)