Tag Archives: sealer

Technology for manufacturing helicoid of sealer for steel drum as package container

Application Number: 00112036Application Date: 2000.01.19Publication Number: 1305875Publication Date: 2001.08.01Priority Information: International: B21D51/40;B21H3/00Applicant(s) Name: Guli Metal Wares Factory, Nanjing CityAddress: Inventor(s) Name: Zhang YoulongPatent Agency Code: 32102Patent Agent: xu dongtaoAbstract A technology for machining the screw ring of sealer for the steel drum as packing container includes blanking, drawing, cutting top cover, currecting flange, chamfering top… Read More »

Positive-pressure sealer of red copper crystallizing mould and positive-pressure casting technology for red copper

Application Number: 00116394Application Date: 2000.06.08Publication Number: 1327893Publication Date: 2001.12.26Priority Information: International: B22D21/00;B22D21/02Applicant(s) Name: Wang XiaobangAddress: Inventor(s) Name: Wang XiaobangPatent Agency Code: 31100Patent Agent: du lulingAbstract A positive-pressure sealer for red copper crystallizing mould is composed of crystallizing mould and its seat, water spraying ring at bottom of said seat, sealing assembly and lift unit. Said… Read More »