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Individual
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Individual
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Priority to ES497035ApriorityCriticalpatent/ES497035A0/en
Publication of ES8202909A3publicationCriticalpatent/ES8202909A3/en
Publication of ES497035A0publicationCriticalpatent/ES497035A0/en
Rock machine, especially conceived to be used in slate, marble and granite quarries, over the own filon. Consists of an extended platform (1) that lies on the ground parallel to the cutting line through support legs (9) that conferes the adequate stability; of a cart (2) that displaces longitudinally on guides placed on the platform (1); a cutting head (3) mounted on the trolley (2) swinging up, to the object that the penetration of the cutting disc (6) in the ground is adjusted to the presetted dimensions; and of hydraulic cats (10) united to the car (2) which are pneumatic or hydraulically activated. (Machine-translation by Google Translate, not legally binding)
ES497035A1980-11-211980-11-21
ROCK CHIPPING MACHINE
GrantedES497035A0
(en)
Improvements in lashing gear for lashing blasted rock during the sinking of a mine shaft and a method of lashing blasted rock with the aid of the lashing gear