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    • 4. 发明专利
    • MANUFACTURE OF FIBER REINFORCED PLASTIC
    • JPS6334125A
    • 1988-02-13
    • JP17829886
    • 1986-07-28
    • SUMITOMO ELECTRIC INDUSTRIES
    • BESSHO HISAMISASAJIMA YOICHIMURAYAMA TADAOHAYASHI SHINTARO
    • B29C70/16B29C70/06B29K105/08
    • PURPOSE:To make it possible to uniformly and broadly wind in the form of a tape by a method wherein a guide bar, through which continuous resin- impregnated fibers passed through the eye part of a traverse are fed to the surface of a mandrel, is provided so as to keep the direction of the axis center line of the guide bar at an angle of as near 90 deg. as possible with respect to the direction of the continuous fibers running from the guide bar to the mandrel. CONSTITUTION:An eye 6 consists of a collared outer cylinder 61, bearings 62, a collared inner cylinder 63 and a columnar guide bar 65, which is laterally supported between a pair of fulcrum shafts 63 and 64. The inner cylinder 63 together with the guide bar 65 is rotated forward and backward by the predetermined angle through the advancement and retreat of a driving shaft 68, which is connected through a hinge pin to an arm 66 attached to the outer periphery of the collar of the inner cylinder, of a driving means 67 so as to keep the direction of the shaft center line of the guide bar 65 at an angle of as near 90 deg. as possible with respect to the feeding directions of long fibers A in order to feed the long fibers A to a mandrel 5. Thus, the feeding positions of the continuous fibers on the guide bar 65 are made to be constant and at the same time the fibers are fully broadened by means of the guide bar 65.
    • 5. 发明专利
    • APPARATUS FOR RECOVERING CHEMICAL SUBSTANCE IN EXHAUST GAS
    • JPS61254225A
    • 1986-11-12
    • JP9428285
    • 1985-04-30
    • SUMITOMO ELECTRIC INDUSTRIES
    • HATA RYOSUKEYODA TAKUOKATO KUNITOMOHAGA TOSHIHIROMURAYAMA TADAO
    • B01D53/46B01D5/00B01D53/34
    • PURPOSE:To effectively recover the chemical substance in exhaust gas while the precipitation and strong adhesion of the chemical substance to the metal surface of a heat exchanger are prevented, by separating the temp. falling apparatus provided to the front stage of a chemical substance recovery apparatus into a dew non-condensation region comprising a pipe with fins and a dew condensation region comprising a bare water cooling pipe. CONSTITUTION:High temp. exhaust gas 13 containing a chemical substance such as boron oxide to be recovered and removed is guided to the dew non-condensation region, which consists of heat exchangers 4-7 using heat pipes 8, of the temp. falling part provided to the front stage of a recovery apparatus 1 to be lowered in temp. without generating dew condensation. The chemical substance partially precipitated onto the pipes 8 is removed by purging the same by air purging devices provided between the rows of the pipes 8. Next, the exhaust gas is cooled in a dew condensation region by a bare water cooling pipe 20 of which the outer surface temp. was cooled to the dew point of the exhaust gas or less. Boron oxide is dissolved in generated dew condensation water but washed off along with a large quantity of dew condensation water and treated by a water gathering and evaporation apparatus 24. The exhaust gas cooled to crystallization temp. in the dew condensation region is passed through a recovery apparatus such as an electric precipitator or a filter to recover boron oxide.
    • 9. 发明专利
    • MANUFACTURE OF FIBER REINFORCED PLASTIC CYLINDER
    • JPS62167032A
    • 1987-07-23
    • JP829386
    • 1986-01-17
    • SUMITOMO ELECTRIC INDUSTRIES
    • ITO HIROHISASASAJIMA YOICHISAKURADA YOSHIHIROMURAYAMA TADAOKINOSHITA KENICHI
    • B29C70/16B29C70/06B29D23/00
    • PURPOSE:To obtain a high quality fiber reinforced plastic (FRP) cylinder with favorable mass-productivity at low cost by a method wherein the FRP cylinder is formed on a mold, which is radially expanded in advance, and its outer peripheral surface is machined under the state that the cylinder and the mold are in close contact with each other and, after that, the cylinder is removed from the mold by contracting the diameter of the mold into the one smaller than the diameter, around which fiber has been wound. CONSTITUTION:Firstly, the outer tube 7 of a mold 3 is radially expanded from the position indicated with chain lines to the position indicated with solid lines in the attached figure by introducing pressurizing fluid such as oil or the like into a pressurizing chamber 6. Second ly, around the outer peripheral surface of the resultant expanded tube 7, resin impregnated fiber bundle is wound at the predetermined orientation and thickness by filament winding method so as to cure the resin by heating in order to obtain a FRP cylinder 1. Thirdly, after being centered by using the mold as the reference, the outer surface of the cylinder 1 is ground so as to realize uniform section. Fourthly, the pressure in the pressurizing chamber 6 is released so as to contract the outer tube 7 radially and to produce a clearance between the cylinder 1 and the outer tube 7 in order to pull the cylinder 1 out of the mold 3. Because the diameter of the radially expanded mold is contracted into the smaller one than the diame ter, around which the resin impregnated fiber has been wound, the application of mold releas ing pressure to the cylinder can also be make unnecessary.