专利名称:Rectangular inner bag for loading into
cylindrical container
发明人:Kouji Kitao申请号:US045500申请日:19971024公开号:US061959B1公开日:20010306
专利附图:
摘要:An inexpensive inner bag loaded into a cylindrical container such as a drum. Theinner bag has excellent airtightness and facilitates transferring the inner bag to aseparate container. The inner bag comprises two hexagonal first sheets and two
pentagonal second sheets. Each first sheet has a pair of opposite sides extendinglongitudinally and a trapezoidal portion formed around one longitudinal end of thesheet. Each second sheet has a pair of opposite sides extending longitudinally and atriangular portion formed around one longitudinal end of the sheet. The first and secondsheets are placed in an opposite relation to each other. The peripheries of the first andsecond sheets, excluding the other ends, are bonded together by heat-sealing.
申请人:SUNSTAR ENGINEERING INC.
代理机构:Sughrue, Mion, Zinn, Macpeak & Seas, PLLC
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