Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Controlling fluid pressure in direct contact with molding...
Patent
1981-07-13
1983-12-27
Anderson, Philip E.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Controlling fluid pressure in direct contact with molding...
264 406, 264 458, 264 465, 264 51, 264 83, 264216, 425115, 425144, 425145, 425224, 425817C, B29D 2704
Patent
active
044229887
ABSTRACT:
An apparatus and a method is disclosed for continuously producing an indefinite length strip of material in a mold with monitoring of such operating characteristics as product temperature, product pressure, product quantity, film temperature, film pressure, film quantity, reaction time, processing time, product through speed, and the like, together with comparing such monitored values with "profiles" of the desired characteristics to provide for close and quick control of such characteristics. The profile is a comparison standard for each characteristic and defined as a fixed curve representing the desired change of such characteristic with respect to another characteristic, for example, the desired variable temperature along the length of a molding apparatus. Most preferably, foam products are produced.
REFERENCES:
patent: 3914357 (1975-10-01), Cereijo et al.
patent: 4278624 (1981-07-01), Kornylak
Anderson Philip E.
Beall, Jr. Thomas E.
Kornylak Corporation
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