Electric heat-sealing heater having a flexible hea

专利名称：Electric heat-sealing heater having a flexible

heat accumulating sealing surface

发明人：Yoshihiro Kogasaka申请号：US07/337687申请日：190413公开号：US04952777A公开日：19900828

摘要：An electric heat-sealing heater has a flat heating sheet member havingembedded therein a resistance heating element. The sheet member is supported on arigid guide with an elastic rubber sheet interposed between the guide and the sheetmember. A flexible copper heat accumulating block having a plurality of slits alternatelyextending in a direction transverse of the heater is positioned on the side of the heatingsheet member opposite to the rubber sheet and is retained in place by a holder having apair of arms and mounted on the guide. The flexible block is adapted to be pressedagainst the material to be heat- sealed and accommodates any uneven surfaces on theparts being sealed.

申请人：FUJI PHOTO FILM CO., LTD.

代理机构：Sughrue, Mion, Zinn, Macpeak & Seas

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