Molding method

Details Molding method Molding method

1975-12-12

1978-09-19

Hoag, W.E.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264120, 264121, 264126, 264236, 264336, B29C 2500, B29G 100

Patent

active

041154908

ABSTRACT:
A mixture of a fibrous material and a hot-setting binder is formed and subjected to the action of a high-frequency electromagnetic field. The mixture is subsequently cold molded and may then be hot molded. The alternating field slightly heats the binder thereby lowering its viscosity and, in addition, causes the moisture and the binder which are entrapped in the fibers of the fibrous material to be displaced towards the surfaces of the fibers. These effects lead to an improvement in the cold-adhesiveness of the mixture.

REFERENCES:
patent: 1972050 (1934-08-01), Davis
patent: 2038251 (1936-04-01), Vogt
patent: 2697254 (1954-12-01), Gordon
patent: 3021244 (1962-02-01), Meiler
patent: 3207819 (1965-09-01), Raddin et al.
patent: 3389427 (1968-06-01), Reyburn
patent: 3687877 (1972-08-01), Runton
patent: 3759775 (1973-09-01), Shepherd
patent: 3846522 (1974-11-01), Goldman
Wakeman, Chemistry of Commercial Plastics, Reinhold (1947), N.Y., pp. 174 & 824.

Affiliated with

Also associated with

Rating

Molding method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Molding method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Molding method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2119772