Metal founding – Means to shape metallic material – Pressure shaping means
Patent
1980-07-10
1981-09-01
Baldwin, Robert D.
Metal founding
Means to shape metallic material
Pressure shaping means
74520, 74106, 74107, B22D 1730
Patent
active
042866480
ABSTRACT:
Apparatus for moving an injection cylinder of a molding machine between an injection position and a teeming position comprises a drive means, a link mechanism disposed between a pin on the side of the injection cylinder and a stationary pin secured to a lower platen so as to be expanded and collapsed by the drive means, a cam plate secured to oppose the side of the injection cylinder and provided with guide slot comprised of a longitudinal slot parallel with the axis of the injection cylinder when it is in the injection position and an inclined slot contiguous with the longitudinal slot, a first roller mounted on the side of the injection cylinder to be moved along the guide slot in accordance with the operation of the link mechanism, a guide member including a guide slot for moving the injection cylinder in the axial direction at the injection position, and a second roller positioned in the guide slot to act as a center of swinging of the injection cylinder.
REFERENCES:
patent: 1222786 (1917-04-01), Morris
patent: 4088178 (1978-05-01), Ueno et al.
Kawashima Motozo
Nishimoto Masayuki
Takeshima Takahiko
Baldwin Robert D.
Lin K. Y.
Pfund Charles E.
UBE Industries
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