Patent US3875862A successfully refreshed from Google Patents.
US3875862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow charge mines for multiple deployment
Assignee: Dynamit Nobel AG
•
Filing: 1973-02-16
•
Granted: 1975-04-08
•
Expires: 1993-02-16
Abstract
Abstract A hollow charge mine for multiple deployment situations having positioning elements, primary sensor system and at least one secondary sensor system. In one deployment situation, the secondary sensor system is operational for sensing a target and detonating the mine and in another deployment situation the primary sensor system is operational for sensing a target and detonating the mine. The mine includes a timing device for controlling the operation of the positioning elements for positioning the mine and for activating the primary sensor system after a predetermined time interval as well as for deactivating the secondary sensor system.
Inventors
- 👤 Klaus-Heinz Fischer
- 👤 Rainer Schoffl
- 👤 Willi J Petters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:09
CPC Classifications
F; F42; F42C; F42C9/00; F42C9/14; F42C9/148; F42B; F42B23/00; F42B23/04
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
135 words
A hollow charge mine for multiple deployment situations comprising a hollow charge, positioning means for positioning said mine in a position corresponding to a first deployment situation in which said mine is substantially stationary and a movable target moves toward said mine, primary sensor means being operational in at least said at least said first mine deployment situation for detonating said mine in response to the detection of the movable target, and at least one secondary sensor means being operational in at least a second deployment situation of said mine in which said mine is moving toward a selected target for detonating said mine in response to the detection of the selected target, whereby upon nondetonation of said mine in the second deployment situation, said positioning means positions said mine in the first deployment situation.
Claim 2
Dependent Claim
135 words
A hollow charge mine for multiple deployment situations comprising a hollow charge, positioning means for positioning said mine in a position corresponding to a first deployment situation in which said mine is substantially stationary and a movable target moves toward said mine, primary sensor means being operational in at least said at least said first mine deployment situation for detonating said mine in response to the detection of the movable target, and at least one secondary sensor means being operational in at least a second deployment situation of said mine in which said mine is moving toward a selected target for detonating said mine in response to the detection of the selected target, whereby upon nondetonation of said mine in the second deployment situation, said positioning means positions said mine in the first deployment situation.
Claim 3
Dependent Claim
31 words
A hollow charge mine according to claim 1, wherein said secondary sensor means includes means responsive to a direct impact position of the mine onto the target for detonating said mine.
Claim 4
Dependent Claim
35 words
A hollow charge mine according to claim 1, wherein one of said primary and secondary sensor means includes proximity detecting means, and the other of said primary and secondary sensor means includes contact detecting means.
Claim 5
Dependent Claim
24 words
A hollow charge mine according to claim 1, wherein said primary and secondary sensor means each include proximity detector means having different operational ranges.
Claim 6
Dependent Claim
23 words
A hollow charge mine according to claim 1, further comprising timing means for activating said primary sensor means after a predetermined time interval.
Claim 7
Dependent Claim
21 words
A hollow charge mine according to claim 5, wherein said timing means includes deactivating means for deactivating said secondary sensor means.
Claim 8
Dependent Claim
16 words
A hollow charge mine according to claim 5, wherein said timing means is a resistor-capacitor means.
Claim 9
Dependent Claim
21 words
A hollow charge mine according to claim 5, wherein said timing means is adjustable to provide for different predetermined time intervals.
Claim 10
Dependent Claim
26 words
A hollow charge mine according to claim 1, further comprising parachute means connected to said mine for enabling said mine to be dropped onto a target.
Claim 11
Dependent Claim
18 words
A hollow charge mine according to claim 1, further comprising an elastic hemispherical member connected to said mine.
Claim 12
Dependent Claim
18 words
A hollow charge mine according to claim 1, wherein said mine is constructed as a watertight bouyant body.
Claim 13
Dependent Claim
60 words
A hollow charge mine according to claim 9, wherein said mine has first and second end surface portions and a lateral surface portion, said parachute means being connected at said first end surface portion and an elastic hemispherical member being connected at said second end surface portion, said positioning means being arranged on said lateral surface portion of said mine.
Claim 14
Dependent Claim
43 words
A hollow charge mine according to claim 5, further comprising impact detecting means for detecting the impingement of said mine onto a surface for activation said timing means, said timing means also serving for activating said positioning means after said predetermined time interval.
Claim 15
Dependent Claim
56 words
A hollow charge mine according to claim 13, wherein said primary and secondary sensor means each include detector means connected to an amplifier means via a switching means, said amplifier means providing an output to a threshold switching means for providing an output to an initiating means in response to a predetermined threshold value being attained.
Claim 16
Dependent Claim
112 words
A hollow charge mine according to claim 14, wherein said switching means includes first and second contact means for connecting a respective amplifier means to a respective detector means of said primary and secondary sensor means, said switching means having an initial position wherein said detector means and amplifier means of said secondary sensor means is connected and said detector means and amplifier means of said primary sensor means is disconnected, said timing means controlling the operation of said switching means for connecting said detector means and amplifier means of said primary sensor means and disconnecting said detector means and amplifier means of said secondary sensor means after said predetermined time interval.
Claim 17
Dependent Claim
24 words
A hollow charge mine according to claim 14, wherein said threshold switching means includes trigger circuit means and said initiating means includes thyristor means.
Claim 18
Dependent Claim
46 words
A hollow charge mine according to claim 12, wherein said secondary sensor means includes detector means positioned on said elastic hemispherical member and said primary sensor means includes detector means positioned on one of said second end surface and said lateral surface portion of the mine.
References Cited (Backward Citations)
US3125953A
Cited
US1682560A
Cited
US3001476A
Cited
US3089421A
Cited
US3557697A
Cited
US3252418A
Cited
US3282211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-07 | 1978-10-07 | 1979-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-07 | 1982-10-07 | 1983-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-07 | 1986-10-07 | 1987-04-08 | $7700.00 | Window Closed / Lapsed |