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This patent describes a gasket for an alkaline dry cell which is injection moulded in 6-12 nylon, and is designed to inhibit crack formation occurring when a collector is inserted through the central boss. The problem is overcome by using recycled polyhexamethylene dodecamide resin, which has previously undergone injection moulding, as part or the whole of the resin material for the section containing the boss on the gasket.
๐ SIMILAR VOLUMES
This year nine papers dealing with fluid seals were presented, as listed below. This was fewer papers than in previous years, probably as the result of a number of factors including the current economic climate, security and the SARs alert. Consolidation within the seal industry also means that ther
This invention specifies a screwed socket, or stud coupling type connection for high pressure circuits. It provides two methods designed to prevent trapping or misalignment of the sealing washer as the connection is assembled. One method is to provide a taper from the thread undercut up to the washe