PREFORM AND METHOD OF PRODUCING SAME

A preform is obtained by stacking two or more prepreg cut materials, each of which is obtained by cutting a sheet-like prepreg into an outline of a predetermined shape, and the sheet-like prepreg being formed of a matrix resin and reinforcing fibers aligned in one direction. This preform is characte...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Hasegawa, Takashi, Mitsutsuji, Yuki, Tsumura, Yusuke
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING MAKING GRANULES OR PREFORMS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A preform is obtained by stacking two or more prepreg cut materials, each of which is obtained by cutting a sheet-like prepreg into an outline of a predetermined shape, and the sheet-like prepreg being formed of a matrix resin and reinforcing fibers aligned in one direction. This preform is characterized in that at least one prepreg cut material has first incisions that are regularly distributed throughout the whole in-plane region and a second incision that is longer than the first incision while being provided only in a predetermined specific region.