Apparatus for forming a piping bead

Details Apparatus for forming a piping bead Apparatus for forming a piping bead

1974-06-21

1977-02-15

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

156380, 156580, 425129R, 4251742, 4251744, 425217, 425242R, 425243, 425DIG44, B29C 100, B29F 1022

Patent

active

040080277

ABSTRACT:
A device for applying a piping bead to a sheet of plastic material includes a two piece sealing die comprising a mold section and a platen. The mold section has an open cavity of predetermined configuration formed therein surrounding a flat sheet support surface on which a plastic sheet is supported to extend over the cavity. The mold section includes means for supplying a liquified plastic to the cavity to contact the support plastic sheet, and the mandrel is adapted to engage the side of the sheet opposite the cavity to chill and solidify the liquid plastic and to bond it to the plastic sheet.

REFERENCES:
patent: 3082587 (1963-03-01), Brimberg
patent: 3166795 (1965-01-01), Joffe
patent: 3408438 (1968-10-01), Staunton
patent: 3475530 (1969-10-01), Cooper
patent: 3694529 (1972-09-01), Josephsen et al.
patent: 3773873 (1973-11-01), Spaak et al.
Whittington, Whittington's Dictionary of Plastics, Society of Plastics Engineers, Technomic, Conn. (1968) p. 212.
Winspear, Vanderbilt Rubber Handbook, Vanderbilt, N.Y. (1968) p. 174.
Anon., "Greater Versatility . . . with Silastic RTV", Dow Corning 1961, pp. 1 & 2.

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