Fig. 58. Pneumatic Pivoting HummerCourtesy Chicago Pneumatic Tool Company is held on until the rivet is partly cooled and has acquired enoughstrength so that the spring of the plates will not stretch it. Pneumatic Hammer. Whenever the rivet is in such positionthat it cannot be reached by means of… … Fig. 59. Light. Motor Driven PunchCourtesy Mackintosh, Hemphill & Company with a pneumatic hammer. The rivet is inserted in the hole andheld in place by means of a die pressed against the head, the diebeing held in position by hand or* by a suitable arrangement oflevers. The pneumatic riveter,…
Building, Iron and steel · Steel, Structural · Theses
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