US 12,214,535 B2
Vertical injection molding machine
Kiyotaka Nakayama, Tokyo (JP)
Assigned to THE JAPAN STEEL WORKS, LTD., Tokyo (JP)
Filed by THE JAPAN STEEL WORKS, LTD., Tokyo (JP)
Filed on Feb. 24, 2023, as Appl. No. 18/174,048.
Claims priority of application No. 2022-028820 (JP), filed on Feb. 28, 2022.
Prior Publication US 2023/0271366 A1, Aug. 31, 2023
Int. Cl. B29C 45/84 (2006.01); B29C 45/03 (2006.01); B29C 45/76 (2006.01)
CPC B29C 45/84 (2013.01) [B29C 45/03 (2013.01); B29C 45/76 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A vertical injection molding machine comprising:
a mold clamping device configured to clamp a mold;
an injection device provided on the mold clamping device, the injection device being configured to inject an injection material;
a controller comprising an operation terminal, the operation terminal provided on an operation side of the vertical injection molding machine; and
a safety fence surrounding other three sides of the vertical injection molding machine except for the operation side,
wherein a light curtain and a cover are provided on the operation side,
wherein the light curtain includes a plurality of spaced light sources and the same number of light receiving sensors, the light curtain being configured to detect an entry into the mold clamping device from the operation side, and
wherein the cover is disposed on or above the light curtain.