FR918863A - étancon télescopique perfectionné - Google Patents
étancon télescopique perfectionnéInfo
- Publication number
- FR918863A FR918863A FR918863DA FR918863A FR 918863 A FR918863 A FR 918863A FR 918863D A FR918863D A FR 918863DA FR 918863 A FR918863 A FR 918863A
- Authority
- FR
- France
- Prior art keywords
- telescopic stanchion
- advanced
- advanced telescopic
- stanchion
- telescopic
- Prior art date
- 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
Links
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
- E21D15/43—Details of wedges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
- E04G25/066—Shores or struts; Chocks telescopic with parts held together by positive means by a wedge
-
- 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
-
- 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
- E21D15/58—Devices for setting props or chocks
- E21D15/581—Devices for setting props or chocks in which the props are pre- loaded
Landscapes
- 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)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR918863T | 1945-06-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR918863A true FR918863A (fr) | 1947-02-20 |
Family
ID=9424733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR918863D Expired FR918863A (fr) | 1945-06-08 | 1945-06-08 | étancon télescopique perfectionné |
Country Status (5)
Country | Link |
---|---|
US (1) | US2450374A (fr) |
BE (1) | BE467589A (fr) |
ES (1) | ES176294A1 (fr) |
FR (1) | FR918863A (fr) |
GB (1) | GB638743A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2522336A (en) * | 1946-10-05 | 1950-09-12 | Anderson Nils Erland | Stepladder |
US2747828A (en) * | 1950-04-18 | 1956-05-29 | Becorit Grubenausbau Gmbh | Mine post |
FR1171313A (fr) * | 1956-02-14 | 1959-01-23 | Procédé de construction par assemblage de pièces en métal ou en matières plastiques et construction démontable à réaliser avec ce procédé | |
US6655877B2 (en) * | 2002-04-16 | 2003-12-02 | W. David Calhoun | Yielding column |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB189728648A (en) * | 1897-12-04 | 1898-10-29 | William Radford | Improvements for Making Cycle and other Frame Joints without Brazing. |
US2363752A (en) * | 1943-05-20 | 1944-11-28 | Dale C Scott | Jack shore |
-
1945
- 1945-06-08 FR FR918863D patent/FR918863A/fr not_active Expired
-
1946
- 1946-07-08 GB GB20282/46A patent/GB638743A/en not_active Expired
- 1946-08-01 US US687681A patent/US2450374A/en not_active Expired - Lifetime
- 1946-08-29 BE BE467589A patent/BE467589A/fr unknown
- 1946-12-18 ES ES176294A patent/ES176294A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB638743A (en) | 1950-06-14 |
BE467589A (fr) | 1946-09-30 |
US2450374A (en) | 1948-09-28 |
ES176294A1 (es) | 1947-02-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR918863A (fr) | étancon télescopique perfectionné | |
FR910581A (fr) | Aéromoteur | |
FR920465A (fr) | Broyeur-pressoir | |
FR916650A (fr) | Chenillette | |
FR919091A (fr) | étancon métallique | |
FR916999A (fr) | Rectoscope perfectionné | |
FR915380A (fr) | Cycle-porteur | |
FR912185A (fr) | Autocompresseur | |
FI23328A (fi) | Koppling | |
FI22523A (fi) | Värmeutväxlare | |
FR912788A (fr) | Cultivateur | |
FR914267A (fr) | Cycle-car | |
FR911909A (fr) | Etrésillon-vérin | |
FR914313A (fr) | Mano-soupape | |
FR1022801A (fr) | Servo-anémomètre | |
FR913682A (fr) | Survolteur-dévolteur | |
FR916968A (fr) | Jalousies | |
FR913485A (fr) | Limonière | |
FR912874A (fr) | Sarbacane | |
FR919174A (fr) | Chausson-guêtre | |
FR916743A (fr) | Hourdis-plancher | |
FR911778A (fr) | égrenoir | |
ES11692Y (es) | Envoltura-estuche | |
FR910134A (fr) | Hydro-glisseur | |
FR909437A (fr) | Agenda-répertoire |