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Sweetheart Plastic, Inc. Patents |
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Assignee: Sweetheart Plastic, Inc.
Address: Wilmington, MA
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4384439 |
Tuck and nest method and apparatus |
May 24, 1983 |
| Method and apparatus for stacking a plurality of plastic cups disposed within individual plastic envelopes including a frame, a conveyor on the frame, a stuffer swingably movable on the frame to stuff a portion of the envelope into the cup and move it into nested relation with the next |
| 4209101 |
Tamper-proof closure and method of making same |
June 24, 1980 |
| A tamper-proof closure for a container including an endwall and an annular, threaded sidewall. The sidewall includes an internal projection for mating with a part of the container to prevent turning of the closure when the closure is mounted on said container. A tear tab is provided on t |
| 4125350 |
Mechanical die adjustment mechanism |
November 14, 1978 |
| Apparatus for adjusting the rotary position of any selected one of a plurality of rotatable die bolts to control the position of a die lip and the size of a die opening adjacent the die lip comprising a reciprocable drive member movable in a to-and-fro path of travel and a plurality of |
| 4101252 |
Sheet support apparatus |
July 18, 1978 |
| Sheet supporting apparatus for a continuous sheet, differential pressure thermoforming machine comprising laterally spaced apart sheet support members for supporting the lateral edges of a formable sheet and for moving the sheet in a forward path of travel. The apparatus includes an |
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