Ring molding method for seamless bra cups

Details Ring molding method for seamless bra cups Ring molding method for seamless bra cups

A - Human Necessities

41

C

18/1066, 223/5.4

A41C 5/00 (2006.01) B29C 51/00 (2006.01) B29C 51/08 (2006.01) B29C 51/14 (2006.01)

Patent

CA 1060858

ABSTRACT OF THE DISCLOSURE A method and apparatus for fabricating a conical seamless bra pad preform for subsequent molding into a finished pad. The material used is fiberfill or the like and a blank, cut from such a sheet, or from a sandwich of two sheets, is indented by a conical member which has pins spaced over the surface of the cone for engaging the material. Variable thinning of the material is achieved by the action of the pins in engaging the material successively. A second embodiment involves a series of coaxial rings to grasp the blank. Non- uniform displacement of the ring-sets causes the desired uneven stretching of the blank. Permeating the fiberfill sheet with cold acrylic resin prior to the curing of the preform in a mold counteracts deterioration of the bonding of the individual fibers which occurs during the intermediate drawing process.

227866

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