Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting
Patent
1981-12-23
1983-11-01
Anderson, Philip E.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
264 53, 264DIG13, 356378, 356391, 356448, 425140, 425817C, B29D 2700
Patent
active
044129610
ABSTRACT:
A method and apparatus for monitoring the average cell size of a plastic foam structure continuously emerging from a production extrusion source which include means and process steps for magnifying an image of an area of a cross-section of said foam structure, developing said image and comparing the cell size of the image with a known standard and controlling production process parameters to obtain a foam structure of predetermined average cell size.
REFERENCES:
patent: 3482006 (1969-12-01), Carlson
patent: 3511571 (1970-05-01), Ogle
patent: 3527535 (1970-09-01), Monroe
patent: 3953739 (1976-04-01), Colombo et al.
patent: 4329052 (1982-05-01), Colombo et al.
Fehn, Gregory M., "Extrusion Behavior of Cellular High-Density Polyethylene", In Journal of Cellular Plastics, Oct. 1967, pp. 456-462.
Bender, Rene J., "Handbook of Foamed Plastics," Libertyville, Ill., Lake Publishing Corp., .COPYRGT.1965, pp. 54, 55, 63-65, 79, 80, 84, 85.
Benning, Calvin J., "Plastic Foams: The Physics and Chemistry of Product Performance and Process Technology: vol. 1; Chemistry and Physics of Foam Formation," New York, Wiley-Interscience, .COPYRGT.1969, pp. 54-61, 71-82, 295-305, 343, 515.
Encyclopedia of Chem. Tech., Kirk-Othmer, 3rd Ed., vol. 20, p. 594.
Encyclopedia Americana, 1980, vol. 29, pp. 594-595.
DiBiasi Daniel J.
Krutchen Charles M.
Anderson Philip E.
Gilman Michael G.
McKillop Alexander J.
Mobil Oil Corporation
O'Sullivan Sr. James P.
LandOfFree
Method and apparatus for measurement and control of cell size in does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for measurement and control of cell size in, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for measurement and control of cell size in will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2168274