B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 51/20 (2006.01) B29C 51/10 (2006.01) B29C 51/42 (2006.01) F27B 1/12 (2006.01)
Patent
CA 2545440
A vertical forming machine using ambient temperature and fired by low cost natural gas, propane, etc. built to shape difficult, dissimilar materials. The machine will laminate arrangements of shaped materials easily. Example: Foam plastic laminated to rigid plastic. The vertical arrangement will allow for twin sheet forming with minimal setup. Rapidly moving air will heat the plastic material and dual air-flow system allows for faster production with materials being formed heated evenly throughout sheet. Shaping of sheet plastic is accomplished with a unique vertical mould system complete with controlled advance and all forming taking place inside a narrow air stream, centrally positioned inside oven. Doors in front and back of oven open and close to permit access of forming moulds. Door also at both ends of oven to permit entry of sheet and exit of forming. Uneven heating or over-heating of sheet is eliminated when using this vertical controlled-heat oven.
Mccurdy William
Na
LandOfFree
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