Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1985-04-09
1986-10-07
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523513, 405260, 405261, C08K 700, C08K 334
Patent
active
046160507
ABSTRACT:
A coarse/fine particulate inert solid filler component, e.g., limestone and/or sand, is used in a hardenable resin composition adapted for use in making set products, e.g., a hardened grout for anchoring a reinforcing member in a hole. About from 5 to 50 percent by weight of the filler is a coarse filler component comprised of particles in a size range whose minimum is about 1 mm, or a size range which is from 30 to 150 percent of the thickness of the annular layer of hardened grout formed around a reinforcing member. The thus-filled resin composition is readily miscible and flowable even at total filler levels as high as about 88 percent by weight. Rock bolt grouting products containing this resin composition require less bolt spinning and afford improved anchorage strength, even when used to point anchor mechanical expansion shells.
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Simmons Walter J.
Willis Frank M.
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