Apparatus and method using air pressure and vacuum to form flat-

Details Apparatus and method using air pressure and vacuum to form flat- Apparatus and method using air pressure and vacuum to form flat-

1992-10-23

1994-02-15

Lavinder, Jack

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493167, 4253871, 425388, B31B 144

Patent

active

052862461

ABSTRACT:
A male die, a female die, air pressure and vacuum are used to form a sheet of material into a flat-paneled flower pot or flower pot cover. A platform supports the female die which has an opening with flat surfaces for forming panels in the base and skirt of the flower pot or flower pot cover. The male die has forming surfaces which mate with the forming surfaces of the female die. The sheet of material is centered over the opening of the female die. A bracket having a plurality of legs which align with the panel-forming surfaces of the female die is placed on the sheet of material. Air pressure and vacuum lines communicating with the opening of the female die are used to control the sheet of material as the male die enters the opening of the female die. The top surface of the platform and the bracket legs provide additional control of the sheet of material. The sheet of material is pressed between forming surfaces of the male and female die to form the flat-paneled flower pot or flower pot cover.

REFERENCES:
patent: 1814546 (1931-07-01), Carson
patent: 2019117 (1935-10-01), Conti
patent: 2898822 (1959-08-01), Moore
patent: 3593623 (1971-07-01), Oakley
patent: 4090903 (1978-05-01), Matsui

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