MOLD AND FORGING METHOD
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United States of America Patent
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N/A
Issued Date -
Jun 2, 2022
app pub date -
Oct 4, 2021
filing date -
Oct 4, 2021
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A mold of the present disclosure is used when forging a billet having a rod shape, and the mold includes: a lower mold having a groove portion for housing the billet; an upper mold having a pressing portion engaged with the groove portion and that presses the billet; and a guide portion disposed in the groove portion or the pressing portion and that guides a flow of a material of the billet in a longitudinal direction of the billet. In a state in which the groove portion and the pressing portion are engaged, in a direction in which the groove portion extends, a protruding amount of a top portion of the guide portion to an inner side of the groove portion is larger than a protruding amount of end portions on both sides sandwiching the top portion of the guide portion to the inner side of the groove portion.
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