BE333312A - - Google Patents

Info

Publication number: BE333312A
Authority: BE; Belgium
Prior art keywords: foot; props; head; movable head; prop
Prior art date: 1926-04-16

Application number

BE333312A

Other languages

English (en)

French (fr)

Original Assignee

Charles Leonard Pelabon

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.)

1926-04-16

Filing date

1926-04-16

Publication date

1926-05-31

1926-04-16 Application filed by Charles Leonard Pelabon filed Critical Charles Leonard Pelabon

1926-04-16 Priority to BE333312A priority Critical patent/BE333312A/fr

1926-05-29 Priority to DEP52969D priority patent/DE507981C/de

1926-05-31 Publication of BE333312A publication Critical patent/BE333312A/fr

1927-04-13 Priority to GB10222/27A priority patent/GB269571A/en

1927-04-15 Priority to FR632897D priority patent/FR632897A/fr

1929-07-20 Priority to BE335281A priority patent/BE335281R/fr

Links

239000002184 metal Substances 0.000 claims description 7
229910052751 metal Inorganic materials 0.000 claims description 7
230000003247 decreasing effect Effects 0.000 claims description 3
239000000463 material Substances 0.000 claims description 3
230000000750 progressive effect Effects 0.000 claims description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
229910052742 iron Inorganic materials 0.000 description 6
230000008901 benefit Effects 0.000 description 2
230000009471 action Effects 0.000 description 1
230000008859 change Effects 0.000 description 1
230000036461 convulsion Effects 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
238000009434 installation Methods 0.000 description 1
238000005065 mining Methods 0.000 description 1
239000000047 product Substances 0.000 description 1
230000009467 reduction Effects 0.000 description 1
239000013589 supplement Substances 0.000 description 1
239000002699 waste material Substances 0.000 description 1

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Geochemistry & Mineralogy (AREA)
Structural Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Mechanical Engineering (AREA)
Geology (AREA)
Conveying And Assembling Of Building Elements In Situ (AREA)
Braking Arrangements (AREA)
Clamps And Clips (AREA)
Emergency Lowering Means (AREA)
Portable Nailing Machines And Staplers (AREA)

BE333312A 1926-04-16 1926-04-16 BE333312A (de)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
BE333312A BE333312A (de)	1926-04-16	1926-04-16
DEP52969D DE507981C (de)	1926-04-16	1926-05-29	Eiserner Grubenstempel
GB10222/27A GB269571A (en)	1926-04-16	1927-04-13	Improvements in or relating to gallery or other props
FR632897D FR632897A (de)	1926-04-16	1927-04-15
BE335281A BE335281R (de)	1926-04-16	1929-07-20

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BE333312A BE333312A (de)	1926-04-16	1926-04-16

Publications (1)

Publication Number	Publication Date
BE333312A true BE333312A (de)	1926-05-31

Family

ID=12101

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
BE333312A BE333312A (de)	1926-04-16	1926-04-16
BE335281A BE335281R (de)	1926-04-16	1929-07-20

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
BE335281A BE335281R (de)	1926-04-16	1929-07-20

Country Status (4)

Country	Link
BE (2)	BE333312A (de)
DE (1)	DE507981C (de)
FR (1)	FR632897A (de)
GB (1)	GB269571A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2019884A4 (de) *	2006-05-12	2014-03-05	Wilian Holding Co	Federbaugruppe für stützpfosten

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2890854A (en) *	1956-01-09	1959-06-16	Gutehoffnungshuette Sterkrade	Torsion pit prop

1926
- 1926-04-16 BE BE333312A patent/BE333312A/fr unknown
- 1926-05-29 DE DEP52969D patent/DE507981C/de not_active Expired
1927
- 1927-04-13 GB GB10222/27A patent/GB269571A/en not_active Expired
- 1927-04-15 FR FR632897D patent/FR632897A/fr not_active Expired
1929
- 1929-07-20 BE BE335281A patent/BE335281R/fr active

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2019884A4 (de) *	2006-05-12	2014-03-05	Wilian Holding Co	Federbaugruppe für stützpfosten

Also Published As

Publication number	Publication date
GB269571A (en)	1927-08-04
FR632897A (de)	1928-01-16
BE335281R (de)	1926-08-31
DE507981C (de)	1930-09-22

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