Roof bolter and process

Details Roof bolter and process Roof bolter and process

E - Fixed Constructions

21

D

61/47

E21D 20/02 (2006.01) E21D 20/00 (2006.01)

Patent

CA 1188115

ABSTRACT; ROOF BOLTER A roof bolter (10) comprising combined means (22) for drilling and resin bolting with the roof bolter in one operative position, means (24) for bolt inserting with the roof bolter in a second operative position, and means (26) for positioning the roof bolter first into this one and then into its second operative positions. The invention also provides a device designed for attachment to a three-position resin type roof bolter and converting it to a two-position resin type roof bolter.

431536

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