GB413980A - Improvements in time fuses for projectiles - Google Patents
Improvements in time fuses for projectilesInfo
- Publication number
- GB413980A GB413980A GB3012/34A GB301234A GB413980A GB 413980 A GB413980 A GB 413980A GB 3012/34 A GB3012/34 A GB 3012/34A GB 301234 A GB301234 A GB 301234A GB 413980 A GB413980 A GB 413980A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- tube
- fuze
- attached
- fuze body
- 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
- 230000004048 modification Effects 0.000 abstract 2
- 238000012986 modification Methods 0.000 abstract 2
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C9/00—Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition
- F42C9/02—Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by mechanical means
- F42C9/06—Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by mechanical means by flow of fluent material, e.g. shot, fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C9/00—Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition
- F42C9/02—Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
- Automotive Seat Belt Assembly (AREA)
- Air Bags (AREA)
Abstract
413,980. Projectile fuzes. SCHNEIDER ET CIE, 42, Rue d'Anjou, Paris. Jan. 29, 1934, No. 3012. Convention date, Dec. 23, 1933. Addition to 411,043. [Class 9 (i).] Relates to the dash-pot time fuze claimed in the parent Specification and consists in the provision of : (1) means for determining or facilitating rotation of the piston of the dash-pot to reduce friction, and (2) a long needle in a small-bore tube instead of the conical screw valve for regulating the flow of air through the piston. As shown in Fig. 3, a tooth o is formed on the tube h which sets back within the central part c<1> of the piston to compress its driving spring g and a curved slot p is formed in the central guiding stem q of the fuze body a ; moreover the driving spring g is attached at the bottom to the fuze body and at the top to the tube h, so that the spring is subjected to torsion as well as compression when the tube h sets back. In a modification of this, the tooth o is formed on the lip of the larger part c' of the piston, and the curved slot p in the part a<7> of the fuze body. In another modification, a ball race or the like is inserted between the rear end of the spring g and the seat a<3> of the fuze body to leave the piston free to rotate. As shown in Fig. 7, the flow of air through the piston c<4> is controlled by means of a small tube t, attached to the piston by means of a screw plug u, in conjunction with a long needle i inserted in said tube, the needle being attached to a thimble v which is detachably screwed to the plug u and has a lateral vent hole v'. A number of needles may be provided, one of which is selected according to the regulation desired. This regulating device is balanced by a thimble w, which is attached to the opposite side of the piston and serves also to receive a screw rod x, x<1> for locking the piston to the fuze body a until the fuze is to be used, when the rod is withdrawn by hand.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR615674X | 1933-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB413980A true GB413980A (en) | 1934-07-26 |
Family
ID=8981076
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB34477/33A Expired GB411043A (en) | 1933-05-22 | 1933-12-07 | Improvements in time fuses for projectiles |
GB3012/34A Expired GB413980A (en) | 1933-05-22 | 1934-01-29 | Improvements in time fuses for projectiles |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB34477/33A Expired GB411043A (en) | 1933-05-22 | 1933-12-07 | Improvements in time fuses for projectiles |
Country Status (6)
Country | Link |
---|---|
US (1) | US2026094A (en) |
CH (1) | CH175388A (en) |
DE (1) | DE615674C (en) |
FR (2) | FR44818E (en) |
GB (2) | GB411043A (en) |
NL (1) | NL38375C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2924177A (en) * | 1945-12-27 | 1960-02-09 | William D Crozier | Detonator |
KR100915706B1 (en) * | 2009-06-12 | 2009-09-04 | 한국씨앤오테크 주식회사 | 40mm training shot of a grenade launcher |
-
0
- NL NL38375D patent/NL38375C/xx active
- FR FR769602D patent/FR769602A/fr not_active Expired
-
1933
- 1933-12-07 GB GB34477/33A patent/GB411043A/en not_active Expired
- 1933-12-23 FR FR44818D patent/FR44818E/en not_active Expired
-
1934
- 1934-01-29 GB GB3012/34A patent/GB413980A/en not_active Expired
- 1934-03-30 US US718291A patent/US2026094A/en not_active Expired - Lifetime
- 1934-05-03 CH CH175388D patent/CH175388A/en unknown
- 1934-05-19 DE DESCH104265D patent/DE615674C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2026094A (en) | 1935-12-31 |
CH175388A (en) | 1935-02-28 |
DE615674C (en) | 1935-07-13 |
FR769602A (en) | 1934-08-28 |
NL38375C (en) | |
GB411043A (en) | 1934-05-31 |
FR44818E (en) | 1935-04-15 |
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