Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including shaping means comprising fluid pressure contacting...
Patent
1985-12-13
1987-06-23
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including shaping means comprising fluid pressure contacting...
264292, 264322, 264554, 425399, 425400, 425422, 425423, B29C 5142
Patent
active
046749721
ABSTRACT:
Apparatus for forming plastic articles by a thermoform process. A plastic sheet is supported between an upper female and lower male mold. The heater assembly is moved horizontally over the sheet which is heated and caused to conform to the lower molds shape when the upper mold is lowered thereabouts, thus forming the desired object. Vacuum means retain the formed object within the upper mold assembly during separation of the molds and deposits the formed object on the top of the heater assembly upon its repositioning over the lower mold to heat a subsequent sheet. The formed object is carried away from the molds on the top of the heater assembly upon subsequent horizontal retraction of the heater assembly from between the molds. An air jet from an orifice on the top surface of the heater assembly then propells the formed object onto a conveyor belt.
REFERENCES:
patent: 3240851 (1966-03-01), Scalora
patent: 3273203 (1966-09-01), Ross
patent: 3329545 (1967-07-01), Hamilton
patent: 3527854 (1970-09-01), Martin et al.
patent: 3561057 (1971-02-01), Butzko
patent: 3737276 (1973-06-01), Hill et al.
patent: 4170618 (1979-10-01), Adams
patent: 4368024 (1983-01-01), Asano
patent: 4462786 (1984-07-01), Perryman
patent: 4568073 (1986-02-01), Van Horne
patent: 4582665 (1986-04-01), Jabarin
Carwell Robert M.
Chiesa Richard L.
LandOfFree
Apparatus for thermoforming plastic articles does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for thermoforming plastic articles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for thermoforming plastic articles will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-718551