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Hopper Extension Block and Assembly

IP.com Disclosure Number: IPCOM000073840D
Original Publication Date: 1971-Feb-01
Included in the Prior Art Database: 2005-Feb-23
Document File: 2 page(s) / 37K

Publishing Venue

IBM

Related People

Dennis, CL: AUTHOR [+2]

Abstract

The hopper 2 is a plastic molding is separated from the machine base 3 and an extension block 4 is mounted therebetween. The extension block includes a through vertical passage 6 connecting the hopper outlet to the machine inlet 7; a horizontal passage along the axis of exhaust tube 8 intersects vertical passage 6; and an inclined passage from the opening 9 in projection 10 also intersects the vertical passage 6. The horizontal passage connects at one end with exhaust tube 8 which normally carries a cap 12 and at the opposite end receives the air pressure conduit 13 normally closed by valve 14.

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Hopper Extension Block and Assembly

The hopper 2 is a plastic molding is separated from the machine base 3 and an extension block 4 is mounted therebetween. The extension block includes a through vertical passage 6 connecting the hopper outlet to the machine inlet 7; a horizontal passage along the axis of exhaust tube 8 intersects vertical passage 6; and an inclined passage from the opening 9 in projection 10 also intersects the vertical passage 6. The horizontal passage connects at one end with exhaust tube 8 which normally carries a cap 12 and at the opposite end receives the air pressure conduit 13 normally closed by valve 14.

In normal operation the machine, in the assembled condition with controls as illustrated, has molding compound delivered from hopper 2, through vertical passage 6. When it is desired to make a short run of another material, the slide valve 15 is closed and another material or purging compound introduced through the opening 9 using an auxiliary hopper. To return to the original material, it is necessary only to remove the auxiliary hopper and open slide valve 15. To exhaust material from hopper 2, cap 12 is removed and a conduit leading to a suitable container connected to exhaust tube 8. Opening air valve 14 causes a blast of compressed air to entrain material from the hopper and deliver such material through exhaust tube 8 to the container.

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