Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting
Patent
1997-09-10
1999-11-16
Heitbrink, Tim
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
425136, 425145, 425150, 425397, B29C 4584
Patent
active
059851872
ABSTRACT:
An apparatus and method for semi-automatically forming a sheet of material into an article, such as a flower pot cover, is provided. The apparatus includes a male die, a female die, a presence sensing assembly, and a control assembly. The presence sensing assembly is positioned for sensing the presence of an operator in a sheet feeding zone which is located between an operator's station and a zone of operation of the male die and the female die. The control assembly initiates an article forming sequence, wherein the male die and the female die are moved from a discharge position to a forming position to form the article from the sheet of material and subsequently returned to the discharge position, in response to the operator clearing the presence sensing assembly subsequent to the operator breaking the presence sensing assembly while positioning a sheet of material between the male die and the female die via the sheet feeding area.
REFERENCES:
patent: 4431309 (1984-02-01), Sick et al.
patent: 4773182 (1988-09-01), Weder et al.
patent: 5407343 (1995-04-01), Weder et al.
Scientific Technologies Inc., Hayward, CA, light guards literature, 5 pages, not dated.
Craig Frank
King Michael J.
Weder Donald E.
Heitbrink Tim
Southpac Trust International Inc.
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