Tag Archives: Concave-convex

Concave-convex triangular levers cascaded bearing structure and bridge with big-span integral floor

Application Number: 00112575Application Date: 2000.09.27Publication Number: 1286337Publication Date: 2001.03.07Priority Information: International: E01D12/00Applicant(s) Name: Li BaihaoAddress: Inventor(s) Name: Li BaihaoPatent Agency Code: 32112Patent Agent: lu qunAbstract A load-bearing structure for big-span integral bridge is composed of concave-convex triangaular levers which are cascaded in longitudinal direction and/or transverse direction. when it is used for bridge, an integral… Read More »

Technology and equipment for making concave-convex laminated packing material

Application Number: 00115335Application Date: 2000.04.03Publication Number: 1316325Publication Date: 2001.10.10Priority Information: International: B29C59/04Applicant(s) Name: Sanying Package Materials Co ltd, ShanghaiAddress: Inventor(s) Name: Chen ZirongPatent Agency Code: 31100Patent Agent: chen liangAbstract A technology and equipment for forming laminated concave-convex packing material features that multiple layers of film are transferred into an embossing machine while the molten resin… Read More »

Concave-convex engaging device with band

Application Number: 00108192Application Date: 2000.05.11Publication Number: 1273061Publication Date: 2000.11.15Priority Information: 1999/5/11 JP 129368/1999International: A41F1/00Applicant(s) Name: YKK K. K.Address: Inventor(s) Name: Watanabe KoichiPatent Agency Code: 11038Patent Agent: sun zhengAbstract A male/female engaging device, on side rims (4) as opposed to each other of a pair of tapes (3), female type retainers (1) made of a synthetic… Read More »