NL40654C - - Google Patents
Info
- Publication number
- NL40654C NL40654C NL40654DA NL40654C NL 40654 C NL40654 C NL 40654C NL 40654D A NL40654D A NL 40654DA NL 40654 C NL40654 C NL 40654C
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
- E21C37/14—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by compressed air; by gas blast; by gasifying liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/04—Blasting cartridges, i.e. case and explosive for producing gas under pressure
- F42B3/06—Blasting cartridges, i.e. case and explosive for producing gas under pressure with re-utilisable case
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7904—Reciprocating valves
- Y10T137/7922—Spring biased
- Y10T137/7929—Spring coaxial with valve
- Y10T137/7932—Valve stem extends through fixed spring abutment
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67314633 US2083695A (en) | 1933-05-27 | 1933-05-27 | Blasting method and apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL40654C true NL40654C (fr) | 1900-01-01 |
Family
ID=24701489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL40654D NL40654C (fr) | 1933-05-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2083695A (fr) |
| FR (1) | FR772902A (fr) |
| GB (1) | GB436468A (fr) |
| NL (1) | NL40654C (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2619985A (en) * | 1952-12-02 | Ujnit | ||
| US3249177A (en) * | 1961-11-13 | 1966-05-03 | Bolt Associates Inc | Acoustic wave impulse generator repeater |
| US4136851A (en) * | 1976-08-25 | 1979-01-30 | Chemetron Corporation | Valve for fire extinguishing system of gas distribution type |
| US4285415A (en) * | 1979-06-25 | 1981-08-25 | Paitson John L | Acoustic impulse generator |
| US4301731A (en) * | 1979-09-12 | 1981-11-24 | Zeto Industries, Inc. | Air shooting system for the mining of coal or the like |
| US4497440A (en) * | 1982-10-07 | 1985-02-05 | Brownline Pipe Inc. | Non-drain valve for sprinkler systems |
| CN103953342B (zh) * | 2014-04-11 | 2016-04-06 | 山东山矿测控技术有限公司 | 一种用于煤矿的改进二氧化碳震裂装置及组装方法 |
| CN106018732B (zh) * | 2016-06-27 | 2017-12-15 | 河南理工大学 | 瓦斯动力灾害模拟试验台快速释放装置与试验方法 |
| CN106593443B (zh) * | 2017-02-20 | 2019-02-15 | 山东山矿测控技术有限公司 | 一种用于矿山、岩石或煤岩的二氧化碳爆破结构及方法 |
-
0
- NL NL40654D patent/NL40654C/xx active
-
1933
- 1933-05-27 US US67314633 patent/US2083695A/en not_active Expired - Lifetime
-
1934
- 1934-05-05 GB GB1367534A patent/GB436468A/en not_active Expired
- 1934-05-05 FR FR772902D patent/FR772902A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB436468A (en) | 1935-10-11 |
| FR772902A (fr) | 1934-11-08 |
| US2083695A (en) | 1937-06-15 |