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    • 115. 发明专利
    • TRANSFER SHEET
    • JPH09185270A
    • 1997-07-15
    • JP10857296
    • 1996-04-04
    • KUREHA CHEMICAL IND CO LTD
    • TERAMOTO KAKICHIMISAWA TORUMATSUNAGA SATORU
    • G03G15/16G03G7/00
    • PROBLEM TO BE SOLVED: To obtain a transfer sheet excellent in mechanical durability, flame retardant property and forming workability by using a sheet containing equal to or more a specific quantity of a polycarbonate resin which is specified respecitively in the infrared absorbance ratio, the melt viscosity and the thickness. SOLUTION: The sheet containing >=75mass% polycarbonate resin and having the infrared absorbance ratio of the absorption in 155mm wave number to that in 160mm wave number ranging from >=0.02 to =2500Pa.s melt index at 280 deg.C in a flow tester recommended by the Society of Polymer Chemistry and 130-250μm thickness is used. The polycarbonate resin can be brominated and bromine atom of the brominated polycarbonate is present, for example, in the form of tetrabromo bisphenol A, that is, a copolymer partially including a structural unit expressed by a formula is suitably used. By using the sheet, equal to or larger than 100 thousands of printing mediums can be transferred and the sheet having jointly the strength against fatigue failure and the flame retardant property of VTM->=2 in No 94 of the UL Standard is obtained.
    • 118. 发明专利
    • PLASTIC CONTAINER
    • JPH09175551A
    • 1997-07-08
    • JP35141095
    • 1995-12-26
    • KUREHA CHEMICAL IND CO LTDSANKO SEIKEI KK
    • MARUYAMA TSUNEOMATSUE YASURO
    • B65D43/08B65D47/08
    • PROBLEM TO BE SOLVED: To retain the airtightness even after a plastic container has been opened, by pushing the whole cover body into the container body and forming the cover body to fit airtightly to the container body at the nearby position of the upper end of the container opening. SOLUTION: A flange surrounding a container body 40, provided with a flat plane having a specified width and stretched outward is formed at the opening 49 of the container body 40. And an inclined belt part extended to the lower direction of the container is connected to the outer peripheral end thereof. The inside face of the side wall of the cylindrical body 45 with the bottom is formed to have an inclined wall widened downward at 1-3 degrees against the vertical line in the range from the upper end of the opening 49 to a certain depth. The opening 49 is covered with a sealing sheet 50 and a cover body 20 is put thereon. The cover body 20 is extended down from the outer peripheral end 21a of the ceiling 21 and connected to a skirt 25 constituted of a vertical wall surrounding the lower space of the ceiling 21 at a certain height. Further, the flange can be contained in the lower space.