Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By mechanically introducing gas into material
Patent
1989-04-27
1990-06-26
Foelak, Morton
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
By mechanically introducing gas into material
264 54, 521 65, 521 72, 521 71, C08J 928
Patent
active
049370235
ABSTRACT:
The method of the kind, comprising: incorporating vulcanizing substances to natural rubber latex, leaving the mixture to react and vulcanize, filling a mask mold with the vulcanized product, pouring the product out of the mold when a product film of the desired thickness has adhered to the surface of the mold, and stripping the film off the mold. According to the invention, the method further comprises: centrifuging the vulcanized latex to remove the chemicals which have not been incorporated during the reaction; performing a foaming by mechanical or chemical means after the maceration step, and performing a drying after pouring the product out the mold, by heating to from 50.degree. to 90.degree. C. to facilitate stripping the mask off the mold.
REFERENCES:
patent: 4501825 (1985-02-01), Magyar
patent: 4506037 (1985-03-01), Suzuki et al.
LandOfFree
Method for manufacturing masks for fancy dresses or the like 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 for manufacturing masks for fancy dresses or the like, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for manufacturing masks for fancy dresses or the like will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1124454