Modern moulding and pattern-making : a practical treatise upon pattern-shop and foundry work, embracing the moulding of pulleys, spur gears, worm gears, balance-wheels, stationary-engine and locomotive cylinders, globe valves, tool work, mining machinery, screw-propellers, pattern-shop machinery, and the latest improvements in English and American cupolas (1885)
Mullin, Joseph P · New York : D. Van Nostrand · leaf 164
144 MODERN MOULDING AND PATTERN-MAKING. iV, making the two li'' feed-gates shown at P. The cope flask R 11^ Figs. 146 and 147, may then be put on and rammed up, using f gas-pipe for venting the body and jacket-cores. When the cope has been rammed up, it may be lifted off, and the ends of the mould… … Fig. 150. out of the mould, finished, and put in the oven at once. Having taken off the cope and ends of the mould as stated, the body of the pattern can be drawn from the sand, and the feet and facing pieces which will remain in the mould can then be drawn in towards the centre. The ]nethod of…
Founding · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
