1
Sumio Yoshida, Takashi Komazawa, Kazuhiko Kurihara, Hiroshi Yazawa: Method for the continuous production of a polyethylene material having high strength and high modulus of elasticity. Nippon Oil, Polymer Processing Research Institute, Oblon Spivak McClelland Maier & Neustadt P C, December 30, 1997: US05702657 (45 worldwide citation)

Disclosed is a method for the continuous production of a polyethylene material having high strength and high modulus of elasticity by rolling an ultra-high-molecular-weight polyethylene film or film like material and then drawing the rolled material, wherein a thermoplastic resin film having incorpo ...


2
Seizo Kobayashi, Takashi Mizoe, Yoshimu Iwanami, Osamu Otsu, Shigeki Yokoyama, Kazuhiko Kurihara, Hiroshi Yazawa: Split polyethylene stretched material and process for producing the same. Nippon Oil, Nippon Petrochemicals, Polymer Processing Research Institute, Oblon Spivak McClelland Maier & Neustadt P C, November 26, 1996: US05578373 (38 worldwide citation)

The present invention provides a split polyethylene stretched material having a tensile strength of at least 0.7 GPa when twisted in the range of 50-500 times/m, which material is produced by subjecting a polyethylene having an intrinsic viscosity of 5-50 dl/g as measured at 135.degree. C. in decali ...


3
Seizo Kobayashi, Takashi Mizoe, Yoshimu Iwanami, Shigeki Yokoyama, Kazuhiko Kurihara, Hiroshi Yazawa, Mihoko Okada: Process for the continuous production of high-strength and high-modulus polyethylene material. Nippon Oil, Petrochemicals Nippon, Polymer Processing Research Institute, Oblon Spivak McClelland Maier & Neustadt, April 21, 1992: US05106555 (37 worldwide citation)

A process is provided for the continuous production of a high-strength and high-modulus polyethylene material having excellent properties. According to the process, powder composed of ultra-high-molecular-weight polyethylene powder as a principal component is subjected to compression molding, rollin ...


4
Masahide Yazawa, Haruhisa Tani, Kazuhiko Kurihara, Hiroshi Yazawa: Method for stretching a fibrous or film-like material. Nippon Petrochemicals, Polymer Processing Research Institute, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, September 14, 1982: US04349500 (35 worldwide citation)

A method is disclosed for transversely stretching a fibrous or film-like material. The material is subjected to a monoaxial transverse stretch which progresses divergently along an arcuate track. An apparatus to implement this method is also disclosed, which essentially comprises a pair of pulleys a ...


5
Masahide Yazawa, Kazuhiko Kurihara: Reinforced non-woven fabrics and method of making same. Polymer Processing Research Institute, Sekisui Kagaku Kogyo Kabushiki Kaisha, Fred Philpitt, July 8, 1980: US04211807 (33 worldwide citation)

A non-woven product of (1) a fleece layer with (2) sticking yarns arranged longitudinally in parallel at definite pitches and (3) a number of lines formed with short fibers of the fleece layer joined with filaments of an adhesive polymer adhering crosswise to the sticking yarns at parts where said f ...


6
Tokio Okada, Haruhisa Tani, Shigezo Kojima, Kazuhiko Kurihara, Hirosi Yazawa: Method and apparatus for stretching film or fibrous web. Nippon Petrochemicals, Polymer Processing Research Institute, Bucknam & Archer, June 25, 1985: US04525317 (28 worldwide citation)

A film or fibrous web which has been stretched by moving at least two laterally spaced first longitudinal portions gripped by a first gripping means along at least two arcuate divergent paths formed jointly by at least two radially disposed first pulleys and endless belt means trained arcuately ther ...


7
Kazuhiko Kurihara, Shigezou Kojima, Hiroshi Yazawa, Haruhisa Tani, Setsuya Tsuyama, Yasuo Sasaki: Method of making cross-laminated stretched non-woven fabric. Nippon Petrochemicals, Polymer Processing Research Institute, Bucknam and Archer, February 12, 1991: US04992124 (28 worldwide citation)

A non-woven fabric having a strength which is comparable to the strength of woven fabric and a method of making such non-woven fabric are disclosed. The non-woven fabric has a laminated structure composed of a warp web of random-laid non-woven fabric stretched lengthwise and hence having a greater s ...


8
Yasuo Sasaki, Haruhisa Tani, Yuuki Kuroiwa, Setsuya Tsuyama: Multiaxial nonwoven fabric, and method of making the same. Polymer Processing Research Institute, Bruce I Adams, Van C Wilks, May 3, 1994: US05308424 (24 worldwide citation)

A multiaxial nonwoven fabric is disclosed which is comprised of a selected warp material and a multiplicity of selected continuous yarns assembled in a specified lay pattern and bonded on to the warp material. Each of the yarns is oriented in a scalene or right-angled triangle shape, and the resulti ...


9
Masahide Yazawa deceased, by Hiroshi Yazawa executor, Kazuhiko Kurihara, Hiroshi Yazawa, Yuki Kuroiwa, Shuichi Murakami: Method for producing a non-woven fabric of cross-laminated warp and weft webs of elongated stocks. Polymer Processing Research Institute, Fred Philpitt, October 25, 1983: US04411722 (23 worldwide citation)

A process for producing a non-woven fabric of cross-laminated warp web and weft webs is provided, which comprises first preparing the weft webs by ejecting a molten polymer of specified properties through orifices provided on the peripheral surface of a rotating vessel, in the lateral direction of t ...


10
Tokio Okada, Shigezo Kojima, Haruhisa Tani, Kazuhiko Kurihara, Hirosi Yazawa: Method and apparatus for stretching thermoplastic polymer films. Nippon Petrochemicals, Polymer Processing Research Institute, Bucknam and Archer, February 28, 1984: US04434128 (21 worldwide citation)

A method and apparatus for stretching a thermoplastic polymer film in which the opposite selvages of the film are gripped by gripping means and are stretched transversely during heating by moving the selvages along two divergent arcuate paths lying in the same plane and extending over a predetermine ...



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