SHEATHED METALLIC NEEDLES FOR PRODUCING Z-CHANNELS IN FIBROUS PREFORMS

SHEATHED METALLIC NEEDLES FOR PRODUCING Z-CHANNELS IN FIBROUS PREFORMS

A needle array (10) suitable for perforating a fibrous preform (26) includes a backplate (14), a plurality of needles (12) removably attached to and extending away from the backplate (14), and a collar (24) disposed around each of the plurality of needles (12). Each of the plurality of needles (12)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LENZ, Brendan, KOLE, Molly
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CUTTING
CUTTING-OUT
HAND CUTTING TOOLS
PERFORATING
PERFORMING OPERATIONS
PUNCHING
SEVERING
SEVERING BY MEANS OTHER THAN CUTTING
STAMPING-OUT
TRANSPORTING
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Beschreibung
Zusammenfassung:A needle array (10) suitable for perforating a fibrous preform (26) includes a backplate (14), a plurality of needles (12) removably attached to and extending away from the backplate (14), and a collar (24) disposed around each of the plurality of needles (12). Each of the plurality of needles (12) includes a metallic body (16), and a polymer sheath (18) covering the metallic body (16).