Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent
1990-08-27
1991-12-03
Michl, Paul R.
Hydraulic and earth engineering
Earth treatment or control
Rock or earth bolt or anchor
523400, 523412, 523500, 525 31, 525531, E21D 2002, C08L 6300, C08K 320, C08G 6348
Patent
active
050695819
ABSTRACT:
A process for anchoring a fastener in a base comprising introducing a bore hole in the base a destructible multiple chamber cartridge containing a reactive set for producing a synthetic resin body. The reactive set contains 3-60 parts by weight of a vinyl ester epoxy resin, 28-45 parts by weight of styrene and/or methyl methacrylate, 63-3 parts by weight of an unsaturated polyester resin which is not an ester of a polyepoxide with an ethylenically unsaturated monocarboxylic acid, 10-0.1 parts by weight of an epoxy resin which is not an ester of a polyepoxide with an ethylenically unsaturated monocarboxylic acid, 0.4-1.2 parts by weight of an organic peroxide hardener component, 40-55 parts by weight filler, accelerators, and polymerization inhibitors. The organic peroxide and resin components are in separate chambers. The cartridge is driven into the borehole so that the cartridge is destroyed and the organic peroxide is mixed with the resin components whereby the resin is cured.
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Soviet "Inventions Illustrated", Section P,Q: General/Mechanical Week K11, Issued Apr. 27, 1983.
Kistner Herbert
Weber Christian
Michl Paul R.
Niland Patrick
UPAT GmbH & Company
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