Apparatus for cutting pipe and method pertaining thereto

Details Apparatus for cutting pipe and method pertaining thereto Apparatus for cutting pipe and method pertaining thereto

1982-07-15

1988-02-09

Nelson, Peter A.

Plastic and nonmetallic article shaping or treating: processes

Explosive or propellant article shaping or treating

102307, 102310, C06B 2100

Patent

active

047241055

ABSTRACT:
The invention pertains to an improved annular shaped charge of a type to be used in the shaped charge carrier of pipe cutting or severing apparatus. The improved annular shaped charge is made up of eight or more shaped charge segments disposed in side to side abutting relation. Each shaped charge segment has a die formed metal band and charge load. The invention also pertains to methods of making said annular shaped charge and the shaped charge segments, which methods are described.

REFERENCES:
patent: 3013491 (1961-12-01), Poulter
patent: 3165057 (1965-01-01), Armstrong
patent: 3233688 (1966-02-01), Bell
patent: 3520509 (1970-07-01), Carey
patent: 3991679 (1976-11-01), Savitt et al.
patent: 4166417 (1979-09-01), Woodcock et al.
patent: 4280407 (1981-07-01), Allen et al.

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