Teijin Limited

Shibaura Machine Co., Ltd.

Nissei Plastic Industrial Co., Ltd.

Toshiba Machine Co., Ltd.

Hodaka Yokomizo

Shuhei Suzuki

Hidenori Aoki

Akihiko Obata

Tetsuya Yoneda

Takeshi Matsuda

Kazuhito Sato

Takaya Fujii

Chiaki Shigematsu

Ikko Furukawa

Noritsugu Saiki

Yasuhiko Takeuchi

Katsuhiko Hironaka

Makoto Ootsubo

Takashi Ito

Masaki Mitsunaga

Masahiro Kitagawa

Takashi Toyozumi

Yukino Oosawa

Hiromitsu Miyajima

Jitsuo Oda

Ryo Shimodake

Noritugu Saiki

The present invention provides a method for inspecting a material to be inspected using ultrasound waves, the method including the following stepto step, in which stepis performed in a condition where: the surface temperature of a material under inspection&#x2014;atmospheric temperature&#x3e;2&#xb0; C., and inspection using ultrasound waves in stepsatisfies: a refractive attenuation rate&#x2264;1.5%. Step: blowing a fluid from a blowing port onto the material to be inspected. Step: inspecting the material to be inspected using the ultrasound waves after stepor at the same time as the step

Ultrasonic inspection of extents of voids or the like in heated material using fluid blowing

Provided is a method for manufacturing a fiber-reinforced resin molded article by cold press molding a fiber-reinforced resin material including reinforcing fibers and a thermoplastic resin using molds containing an upper mold and a lower mold. In the method, the respective parameters for: heating temperature; charge time; air-cooling rate; pressurization time; flow-stopping temperature; and a moldable time satisfies specified numerical ranges simultaneously.

Press molding production method

A molding material for a multi-layered structure, includes a thermoplastic resin layer (X) including carbon fibers (A) having a weight-average fiber length of 0.01 mm to less than 3 mm; and a thermoplastic resin layer (Y) including carbon fibers (B) having a weight-average fiber length of 3 mm to 100 mm, in which a density parameter Pof the thermoplastic resin layer (Y) expressed by the following Equation (1) is 1&#xd7;10to less than 1&#xd7;10, and in which a density parameter Pof the thermoplastic resin layer (X) expressed by the following Equation (1) is more than 1&#xd7;10:=()/&#x2003;&#x2003;(1),

Molding material for multi-layered structure and molded article of multi-layered structure

A method for producing a fiber-reinforced resin shaped product, by clamping and press-molding a molding material containing reinforcing fibers and a thermoplastic resin as a matrix in molds having an upper mold and a lower mold. The method includes: disposing the molding material heated in a plastic state, between the upper mold and the lower mold; initiating the clamping to apply a force in a substantially clamping direction to a certain site of the molding material; starting deformation of the molding material in the substantially clamping direction; applying a force in the substantially clamping direction to a fixing site which is at least a part of a substantially outer peripheral end portion of the molding material but is different from the certain site; pressing and fixing the fixing site, and completing the clamping to obtain a fiber-reinforced resin shaped product having an edge portion.

Method for producing fiber-reinforced resin shaped product

A conveyance device includes a plurality of holding mechanisms and one or more pressing mechanisms, the holding mechanisms each include a holder that holds a molding material and a holder movement mechanism that moves the holder, and the pressing mechanisms each include a pusher that comes into contact with and pushes the molding material and a pusher movement mechanism that moves the pusher.

Conveyance device and conveyance head

To provide a method of manufacturing a press molding by molding a molding material comprising reinforced fibers and a thermoplastic resin by a cold press method. The method of manufacturing a press molding comprising reinforced fibers and a thermoplastic resin, includes the steps of:

Method of manufacturing a press molding

A molded article including carbon fibers and thermoplastic resin, the molded article being provided with a hole h, wherein the molded article has a region a around the hole h, the relationship between the linear expansion coefficient Cin the plate thickness direction in region a and the linear expansion coefficient Cin a molded article region other than the region a is C/C&#x3c;1, and the relationship of the carbon fiber volume fraction Vfof region a and the carbon fiber volume fraction Vfof a molded article region other than the region a is 0.2&#x3c;Vf/Vf

Molded article having hole, and method for producing same

There is provided a plate-shaped carbon fiber reinforced molding material comprising a thermoplastic resin, carbon fibers (A) and carbon fibers (B), wherein:

Carbon fiber reinforced molding material and shaped product

A shaped product of a fiber-reinforced composite material includes a well-shaped part and a surface-shaped part, in which the well-shaped part includes a fiber-reinforced composite material C including both discontinuous reinforcing fibers and a thermoplastic resin, and the surface-shaped part includes a thermoplastic-resin-based material, and the shaped product includes no irregular-shape portion in the well-shaped part and no weld at a boundary edge between the well-shaped part and the surface-shaped part.

Shaped product of fiber-reinforced composite material and method of manufacturing the same

A method for manufacturing a press-molded product by cold-pressing a composite material containing a discontinuous carbon fiber and a thermoplastic resin, is provided. The method satisfies equations (1) and (2) and includes Steps 1 to 5:

Method for manufacturing press molded product and manufacturing apparatus for press molded product

There is provided a material for molding including: carbon fiber bundles which are easily impregnated including carbon fibers and at least one impregnation aid in an amount of 3 to 15 parts by mass based on 100 parts by mass of the carbon fibers, the at least one impregnation aid satisfying specific requirements; and a polycarbonate is adhered thereto in an amount of 50 to 2000 parts by mass.

Material for molding, shaped product therefrom, and method for manufacturing the shaped product

A method for producing a shaped product having an opening by arranging a molding material including discontinuous carbon fibers and a thermoplastic resin on a mold and cold-pressing the molding material, wherein

Method for producing shaped product with opening, and shaped product

There is a material for molding including carbon fiber bundles to be easily impregnated, including carbon fibers and at least one impregnation aid in an amount of 3 to 15 parts by mass based on 100 parts by mass of the carbon fibers and satisfying a specific requirement, wherein 50 to 2,000 parts by mass of a thermoplastic polyamide is adhered to the carbon fiber bundles to be easily impregnated.

Material for molding, shaped product therefrom, and method for manufacturing shaped product

A preform for a multi-layered hollow vessel has excellent moldability and productivity and is free from the deterioration of the characteristic properties of the vessel even when a recycled material is filled in large quantities. A molded product is produced by filling a first material and a second material into the cavity of an injection mold in a single molding step including (i) the substep of injecting the first material, (ii) the substep of injecting the first material and the second material at the same time and (iii) the substep of injecting the first material which are carried out continuously in this order.

Multi-layer preliminary formed body and method of manufacturing the formed body

A laminate sheet comprising (A) a polyester block copolymer which comprises 20 to 70 wt % of a hard segment consisting of an aromatic polyester and 80 to 30 wt % of a soft segment consisting of an aromatic polyester and (B) cloth on at least one side of which the polyester block copolymer is laminated, the melting point (T,.degree. C.) of the polyester block copolymer satisfying the following expressions: T0-5 &gt;T&gt;T0-60 and T&gt;T'+10 (in which T is defined above, T0 is a melting point (0.degree. C.) of the aromatic polyester constituting the hard segment, and T' is a melting point (.degree. C.) of a random polymer obtained by adding 0.1 wt % of titanium tetrabutoxide to the polyester block copolymer and melting and kneading at 250.degree. C. for 3 hours).

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Osaka, Japan

Hodaka Yokomizo