Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
198 words
A vertical type machine, for continuously forming casting molds at high pressure, comprising, in combination, a bed plate; stays extending vertically upwardly from the corners of said bed plate; an upper mold frame support secured to the upper portions of said stays; an upper mold frame secured to said upper support to extend downwardly therefrom; a lower mold frame support mounted on said stays for vertical reciprocation therealong; a lower mold frame mounted on said lower support; a match plate supported on said stays for movement into and out of closing engagement with the lower surface of said upper mold frame; a stationary frame supported on the upper ends of said stays; an upper piston-cylinder actuator mounted on said stationary frame; an upper squeeze plate movable vertically by said upper actuator; a lower piston-cylinder actuator mounted on said bed plate; a lower squeeze plate movable vertically by said lower actuator; and a raw material sand tank mounted on said stationary frame and having its lower end bifurcated to form branched pipes having sand discharge outlets; said upper and lower mold frames being formed with ports registrable with said discharge outlets for blowing of sand into said mold frames.
Claim 2
Dependent Claim
198 words
A vertical type machine, for continuously forming casting molds at high pressure, comprising, in combination, a bed plate; stays extending vertically upwardly from the corners of said bed plate; an upper mold frame support secured to the upper portions of said stays; an upper mold frame secured to said upper support to extend downwardly therefrom; a lower mold frame support mounted on said stays for vertical reciprocation therealong; a lower mold frame mounted on said lower support; a match plate supported on said stays for movement into and out of closing engagement with the lower surface of said upper mold frame; a stationary frame supported on the upper ends of said stays; an upper piston-cylinder actuator mounted on said stationary frame; an upper squeeze plate movable vertically by said upper actuator; a lower piston-cylinder actuator mounted on said bed plate; a lower squeeze plate movable vertically by said lower actuator; and a raw material sand tank mounted on said stationary frame and having its lower end bifurcated to form branched pipes having sand discharge outlets; said upper and lower mold frames being formed with ports registrable with said discharge outlets for blowing of sand into said mold frames.
Claim 3
Dependent Claim
110 words
The vertical type machine, for continuously forming casting molds at high pressure, as claimed in claim 1, in which each branched pipe is formed with two sand discharge outlets, one registrable with the ports in the upper mold frame and the other registrable with the ports in the lower mold frame when said match plate is in closing engagement with the lower surface of said upper mold frame and said lower mold frame has been moved upwardly to firmly engage said match plate; said sand discharge outlets being sealed to said ports during blowing in of the sand simultaneously into both the upper mold frame and the lower mold frame.
Claim 4
Dependent Claim
106 words
The vertical type machine, for continuously forming casting molds at high pressure, as claimed in claim 1, in which said upper squeeze plate is formed with a plurality of through holes at selected locations therein; a sprue forming rod insertable in a selected one of said through holes in accordance with the shape to be molded; the unused through holes being closable by a blocking plate; said sprue forming rod being inserted in said upper mold frame during the blowing in of the sand and the squeezing of the raw material sand by said squeeze plates so that a sprue is formed in the sand mold.
Claim 5
Dependent Claim
136 words
The vertical type machine, for continuously forming casting molds at high pressure, as claimed in claim 7, including a pair of horizontally oriented guide rods mounted in spaced parallel relation on said lower mold frame support and projecting laterally beyond said stays in at least one direction; said lower mold frame having engaging members secured to a pair of opposite side surfaces thereof and extending therefrom for engaging said guide rods; the extent of projection of said guide rods being sufficient that, after charging of raw material sand into said upper and lower mold frames, and lowering of said lower mold frame support, said lower mold frame may be displaced on said guide rods laterally out of alignment with said upper mold frame for charging of a core into the sand in said lower mold frame.