DE400821C - Resilient pit stamp - Google Patents
Resilient pit stampInfo
- Publication number
- DE400821C DE400821C DEH92148D DEH0092148D DE400821C DE 400821 C DE400821 C DE 400821C DE H92148 D DEH92148 D DE H92148D DE H0092148 D DEH0092148 D DE H0092148D DE 400821 C DE400821 C DE 400821C
- Authority
- DE
- Germany
- Prior art keywords
- resilient
- pit stamp
- stamp
- resilient pit
- bulge
- 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
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 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
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)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
Nachgiebiger Grubenstempel. Die Erfindung betrifft einen nachgiebigen, aus zwei durch Klemmbänder zusammengehaltenen Teilen bestehenden Grubenstempel. Das Neue besteht in einer flachen Ausneh-. mutig oder Aufwölbung am Unterstempel. Hierdurch wird beim Zusammenschieben der Oberstempel gezwungen, eine Art Schlangenlinie zu bilden.Resilient pit stamp. The invention relates to a flexible, consisting of two parts held together by clamping straps. The new is a flat extension. brave or bulge on the lower die. As a result, the upper punch is forced into a kind of serpentine line when it is pushed together to build.
In der ZeÄ.:hnung sind in den Abb. i und 2 zwei Ausführungen der Erfindung wiedergegeben. In the drawing, two embodiments of the invention are shown in FIGS. 1 and 2.
Der Unterstempel a in der Abb. i hat an seinem oberen Ende die flache Ausnehmung b, während auf der Rückseite des Stempels der Mitte dieser Ausnehmung gegenüber eine Widerlagsplatte c mit Nasen d vorgesehen ist, die den Schloßbügel e am Herunterrutschen hindern.The lower punch a in Fig. I has the flat one at its upper end Recess b, while on the back of the stamp the center of this recess opposite an abutment plate c with lugs d is provided, which the lock shackle prevent e from sliding down.
Nach der Abb. 2 ist der Unterstempel a mit einer Aufwölbung bi versehen, der sich der Oberstempel. f unter der Wirkung zweier Keilschlösser e anschmiegt.According to Fig. 2, the lower punch a is provided with a bulge bi, which is the upper stamp. f nestles under the action of two wedge locks e.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH92148D DE400821C (en) | Resilient pit stamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH92148D DE400821C (en) | Resilient pit stamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE400821C true DE400821C (en) | 1924-08-20 |
Family
ID=7166369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEH92148D Expired DE400821C (en) | Resilient pit stamp |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE400821C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2699914A (en) * | 1949-10-14 | 1955-01-18 | Liljendahl Sven Algot Joel | Prop |
-
0
- DE DEH92148D patent/DE400821C/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2699914A (en) * | 1949-10-14 | 1955-01-18 | Liljendahl Sven Algot Joel | Prop |
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