Abstract
A simple hand-operated device for cutting longitudinal sections of core liners has been developed at a very low cost. The liner is placed on a stand and secured properly by circular plates and tightening levers. Two high-speed steel blades situated in diametrically opposite direction are pressed tightly on the liner. By rotating a handle these blades move to cut both sides of the liner simultaneously. For cross-sectioning the core liner another simple hand-operated instrument has been illustrated. The liner is fixed in a stationary ring by tightening screws. An adjustable lever with a high-speed steel blade is fixed on a tool holder and welded to an outer ring which is rotated 180° by a handle to cut the liner. The cut portions are smooth, perfect and straight and the operation is very simple and safe.
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