Two-ply resin capsule for mining roof bolting systems

Details Two-ply resin capsule for mining roof bolting systems Two-ply resin capsule for mining roof bolting systems

1979-06-19

1980-10-14

Taylor, Dennis L.

Special receptacle or package

For mixing

53449, 53450, 93 94R, 405261, B65D 8568

Patent

active

042276128

ABSTRACT:
A multi-compartment capsule having a longitudinally extending tubular inner compartment for containing a catalyst and a longitudinally extending tubular outer compartment around the inner compartment for containing a resin composition. The container is formed of two-ply film strip material in which at least one ply is of thermoplastic material. The two-ply strip material is made up of two portions overlapped and welded together along a longitudinally extending edge with the thermoplastic material sides facing each other and forming the weld. One edge of the two-ply strip is folded upon itself along one edge to bring the thermoplastic material ply into contact and welded to form the inner compartment. The other strip edge is folded over the inner compartment to bring the thermoplastic material ply of such other edge into contact with the thermoplastic ply and welded to form the longitudinally extending outer compartment.

REFERENCES:
patent: 3156352 (1964-11-01), Hayhaurst
patent: 3319539 (1967-05-01), Johnson et al.
patent: 3426499 (1969-02-01), Paige
patent: 3593483 (1971-07-01), Tracy
patent: 3661322 (1972-05-01), Norman
patent: 3674134 (1972-07-01), Turner
patent: 3861522 (1975-01-01), Llewellyn et al.
patent: 3980249 (1976-09-01), Cunningham et al.
patent: 3992854 (1976-11-01), Howell et al.
patent: 4009778 (1977-03-01), Howell

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