Sprue dowel

Details Sprue dowel Sprue dowel

2007-12-18

2007-12-18

Mitchell, Katherine (Department: 3677)

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Including settable material

C411S082300, C411S258000, C411S049000, C411S939000, C052S698000

Reexamination Certificate

active

11116070

ABSTRACT:
A sprue dowel has a radially projecting embeddable portion (12) and an attachment portion (21) formed as a hollow cylindrical shaft (24) provided with a plurality of spaced from each other, furrowed retaining projections (26, 27) formed on an outer circumference of the shaft and extending parallel to a longitudinal axis (25) of the sprue dowel (11).

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