FR721346A - Perfectionnements aux amorces à retard - Google Patents

Perfectionnements aux amorces à retard

Info

Publication number: FR721346A
Authority: FR; France
Prior art keywords: developments; delay primers; primers; delay
Prior art date: 1931-06-24
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

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.)

Hercules Powder Co

Original Assignee

Hercules Powder Co

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.)

1931-06-24

Filing date

1931-08-13

Publication date

1932-03-02

1931-08-13 Application filed by Hercules Powder Co filed Critical Hercules Powder Co

1932-03-02 Application granted granted Critical

1932-03-02 Publication of FR721346A publication Critical patent/FR721346A/fr

Status Expired legal-status Critical Current

Classifications

- 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
- F42B3/10—Initiators therefor
- F42B3/16—Pyrotechnic delay initiators

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Air Bags (AREA)

FR721346D 1931-06-24 1931-08-13 Perfectionnements aux amorces à retard Expired FR721346A (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB18276/31A GB383650A (en)	1931-06-24	1931-06-24	Improvement in delay action blasting detonators and the like
FR721346T		1931-08-13
US600449A US1999820A (en)	1931-06-24	1932-03-22	Delay cap

Publications (1)

Publication Number	Publication Date
FR721346A true FR721346A (fr)	1932-03-02

Family

ID=10109676

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR721346D Expired FR721346A (fr)	1931-06-24	1931-08-13	Perfectionnements aux amorces à retard

Country Status (3)

Country	Link
US (1)	US1999820A (fr)
FR (1)	FR721346A (fr)
GB (1)	GB383650A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2475875A (en) *	1943-08-07	1949-07-12	Du Pont	Explosive assembly
US2511669A (en) *	1945-10-20	1950-06-13	Du Pont	Ignition composition
US2547820A (en) *	1945-12-29	1951-04-03	Gustaf W Hammar	Fuse and igniter
US2609752A (en) *	1946-07-12	1952-09-09	Atlas Powder Co	Delay electric blasting cap
US2586959A (en) *	1949-09-16	1952-02-26	Canadian Ind	Delay electric blasting cap
US2749226A (en) *	1951-06-20	1956-06-05	Ici Ltd	Delay composition for delay electric detonators
BE514360A (fr) *	1951-11-22
BE519351A (fr) *	1952-04-21
US2981186A (en) *	1954-09-15	1961-04-25	Richard H F Stresau	Electric detonator
US3046889A (en) *	1957-02-27	1962-07-31	Shell Oil Co	Seismic exploration
DE1137354B (de) *	1959-10-29	1962-09-27	Oregon Ets Patentverwertung	Verzoegerungshuelse zur Aufnahme eines Verzoegerungssatzes fuer Schlagzuender fuer Granaten, vorzugsweise Handgranaten
US3203843A (en) *	1962-01-24	1965-08-31	Hi Shear Corp	Charge material
DE3424502A1 (de) *	1984-07-04	1986-01-09	Drägerwerk AG, 2400 Lübeck	Zuendmischung fuer chemische sauerstoffgeneratoren
FR2624114B1 (fr) *	1987-12-03	1991-06-07	France Etat	Composition pyrotechnique thermostable sensible a la percussion
US5452661A (en) *	1992-06-15	1995-09-26	Neff; George R.	Hermetically sealed devices for leak detection

1931
- 1931-06-24 GB GB18276/31A patent/GB383650A/en not_active Expired
- 1931-08-13 FR FR721346D patent/FR721346A/fr not_active Expired
1932
- 1932-03-22 US US600449A patent/US1999820A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB383650A (en)	1932-11-24
US1999820A (en)	1935-04-30

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