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US3851027A Expired / Lapsed US ⏱️ 0.0 years remaining

Shock-bonding of hard particles

Assignee: ETI EXPLOSIVES TECHNOLOGIES INTE
•
Filing: 1973-01-02
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Granted: 1974-11-26
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Expires: 1993-01-02
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Abstract

Abstract 1. IN A PROCESS FOR SHOCKNG HARD PARTICLES SO AS TO BOND THEM TOGETHER BY EXPLOSIVELY PROPELLING A PROJECTILE TOWARD A BODY OF SOLID MATERIAL CONTAINING THE PARTICLES IN A MANNER SUCH THAT THE PROJECTILE COLLIDES WITH SAID BODY OF SOLID MATERIAL IN AN AXIALLY PROGRESSIVE MANNER AT CONFORMING COLLISION SURFACES, THEREBY INTRODUCING A SHOCK WAVE INTO THE BODY OF SOLID MATERIAL, THE IMPROVEMENT WHICH COMPRISES (1) FORMING SAID BODY OF SOLID MATERIAL FROM (1) A CARRIER MATRI HAVING DISPERSED THERETHROUGH INTERSTICES IN WHICH THE HARD PARTICLES ARE AMASSED INTO AGGREGATES AND (2) A MATRIX-CONTAINMENT MEANS, SAID MATRIX HAVING A POST-SHOCK DEFORMABILITY WHICH IS GREATER THAN THAT OF SAID PARTICLES, AND HAVING A LOWER DEGREE OF POROSITY THAN SAID AGGREGATES, WHEREBY THE MOTION OF SAID AGGREGATES IS RETARDED IN THE DIRECTION OF SHOCK TRAVEL, THE PEAK PRESSURE OF THE SHOCK WAVE INDUCED IN THE HARD-PARTICLE AGGREGATES BEING AT LEAST ABOUT 100 KILOBARS; AND (B) AFTER THE COLLISION, SEPARATING THE BONDED BODIES PRESENT IN THE INTERSTICES FROM THE MATRIX. D R A W I N G

Inventors

  • 👤 A Balchan
  • 👤 G Cowan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 21:08
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/06; B01J3/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 167 words
IN A PROCESS FOR SHOCKNG HARD PARTICLES SO AS TO BOND THEM TOGETHER BY EXPLOSIVELY PROPELLING A PROJECTILE TOWARD A BODY OF SOLID MATERIAL CONTAINING THE PARTICLES IN A MANNER SUCH THAT THE PROJECTILE COLLIDES WITH SAID BODY OF SOLID MATERIAL IN AN AXIALLY PROGRESSIVE MANNER AT CONFORMING COLLISION SURFACES, THEREBY INTRODUCING A SHOCK WAVE INTO THE BODY OF SOLID MATERIAL, THE IMPROVEMENT WHICH COMPRISES (1) FORMING SAID BODY OF SOLID MATERIAL FROM (1) A CARRIER MATRI HAVING DISPERSED THERETHROUGH INTERSTICES IN WHICH THE HARD PARTICLES ARE AMASSED INTO AGGREGATES AND (2) A MATRIX-CONTAINMENT MEANS, SAID MATRIX HAVING A POST-SHOCK DEFORMABILITY WHICH IS GREATER THAN THAT OF SAID PARTICLES, AND HAVING A LOWER DEGREE OF POROSITY THAN SAID AGGREGATES, WHEREBY THE MOTION OF SAID AGGREGATES IS RETARDED IN THE DIRECTION OF SHOCK TRAVEL, THE PEAK PRESSURE OF THE SHOCK WAVE INDUCED IN THE HARD-PARTICLE AGGREGATES BEING AT LEAST ABOUT 100 KILOBARS; AND (B) AFTER THE COLLISION, SEPARATING THE BONDED BODIES PRESENT IN THE INTERSTICES FROM THE MATRIX.
Claim 2
Dependent Claim 167 words
IN A PROCESS FOR SHOCKNG HARD PARTICLES SO AS TO BOND THEM TOGETHER BY EXPLOSIVELY PROPELLING A PROJECTILE TOWARD A BODY OF SOLID MATERIAL CONTAINING THE PARTICLES IN A MANNER SUCH THAT THE PROJECTILE COLLIDES WITH SAID BODY OF SOLID MATERIAL IN AN AXIALLY PROGRESSIVE MANNER AT CONFORMING COLLISION SURFACES, THEREBY INTRODUCING A SHOCK WAVE INTO THE BODY OF SOLID MATERIAL, THE IMPROVEMENT WHICH COMPRISES (1) FORMING SAID BODY OF SOLID MATERIAL FROM (1) A CARRIER MATRI HAVING DISPERSED THERETHROUGH INTERSTICES IN WHICH THE HARD PARTICLES ARE AMASSED INTO AGGREGATES AND (2) A MATRIX-CONTAINMENT MEANS, SAID MATRIX HAVING A POST-SHOCK DEFORMABILITY WHICH IS GREATER THAN THAT OF SAID PARTICLES, AND HAVING A LOWER DEGREE OF POROSITY THAN SAID AGGREGATES, WHEREBY THE MOTION OF SAID AGGREGATES IS RETARDED IN THE DIRECTION OF SHOCK TRAVEL, THE PEAK PRESSURE OF THE SHOCK WAVE INDUCED IN THE HARD-PARTICLE AGGREGATES BEING AT LEAST ABOUT 100 KILOBARS; AND (B) AFTER THE COLLISION, SEPARATING THE BONDED BODIES PRESENT IN THE INTERSTICES FROM THE MATRIX.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-25 1978-05-27 1978-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-25 1982-05-27 1982-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-25 1986-05-27 1986-11-26 $7700.00 Window Closed / Lapsed

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