FR1039136A - Self-tightening mine jam - Google Patents

Self-tightening mine jam

Info

Publication number
FR1039136A
FR1039136A FR1039136DA FR1039136A FR 1039136 A FR1039136 A FR 1039136A FR 1039136D A FR1039136D A FR 1039136DA FR 1039136 A FR1039136 A FR 1039136A
Authority
FR
France
Prior art keywords
jam
mine
tightening
self
tightening mine
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
POUDRES DE SURETE SOC D
Original Assignee
POUDRES DE SURETE SOC D
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.)
Filing date
Publication date
Application filed by POUDRES DE SURETE SOC D filed Critical POUDRES DE SURETE SOC D
Application granted granted Critical
Publication of FR1039136A publication Critical patent/FR1039136A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
    • F42D1/18—Plugs for boreholes
FR1039136D 1951-06-28 1951-06-28 Self-tightening mine jam Expired FR1039136A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1039136T 1951-06-28

Publications (1)

Publication Number Publication Date
FR1039136A true FR1039136A (en) 1953-10-05

Family

ID=9588105

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1039136D Expired FR1039136A (en) 1951-06-28 1951-06-28 Self-tightening mine jam

Country Status (2)

Country Link
BE (1) BE507974A (en)
FR (1) FR1039136A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2916995A (en) * 1956-05-17 1959-12-15 Du Pont Tamping plug
US3041973A (en) * 1959-03-27 1962-07-03 Benjamin F Sanders Recoverable tamping plug
US6708619B2 (en) 2000-02-29 2004-03-23 Rocktek Limited Cartridge shell and cartridge for blast holes and method of use
CN109539918A (en) * 2018-12-24 2019-03-29 卢光亮 A kind of borehole tamponade device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107894194B (en) * 2017-12-07 2019-05-17 何洪彬 A kind of coal mine embrasure plugging device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2916995A (en) * 1956-05-17 1959-12-15 Du Pont Tamping plug
US3041973A (en) * 1959-03-27 1962-07-03 Benjamin F Sanders Recoverable tamping plug
US6708619B2 (en) 2000-02-29 2004-03-23 Rocktek Limited Cartridge shell and cartridge for blast holes and method of use
CN109539918A (en) * 2018-12-24 2019-03-29 卢光亮 A kind of borehole tamponade device

Also Published As

Publication number Publication date
BE507974A (en)

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