B - Operations – Transporting – 21 – K
Patent
B - Operations, Transporting
21
K
B21K 23/00 (2006.01) B29C 45/14 (2006.01) B29C 70/72 (2006.01) E04H 12/22 (2006.01) E02D 27/42 (2006.01)
Patent
CA 2199650
A method for manufacturing an anchor device and the product thereof are disclosed. The method includes the steps of: providing an elongated mold having an axial hole, a plurality of grooves extending radially from the axial hole, and an enlarged receiving space formed adjacent to the second end of the axial hole; disposing an iron shaft in the axial hole of the mold with a rear end of the iron shaft extending into the receiving space of the mold; injecting a molten plastic material into the mold around the iron shaft in order to fill the grooves and the receiving space; moving a forming die into the receiving space of the mold to depress the plastic material in the receiving space; and retracting the forming die from the mold and removing the integrally formed anchor device from the mold.
Méthode de fabrication d'un dispositif d'ancrage et son produit. La méthode comprend les étapes suivantes : fournir un moule allongé muni d'un trou axial, de nombreuses rainures se prolongeant dans le sens radial à partir du trou axial et d'un espace receveur élargi, contigu à la deuxième extrémité du trou axial; placer une tige de fer dans le trou axial du moule avec une extrémité arrière de la tige se prolongeant dans l'espace receveur du moule; injecter un plastique fluide dans le moule autour de la tige de fer de façon à remplir les rainures et l'espace receveur; déplacer une matrice de formage dans l'espace receveur du moule pour y enfoncer le plastique; et dégager la matrice de formage du moule et retirer de ce dernier le dispositif d'ancrage formé intégralement.
Groff Malcolm K.
Yu Yeu-Tien
Groff Malcolm K.
Shapiro Cohen
Yu Yeu-Tien
LandOfFree
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