Heel molder flanger

Details Heel molder flanger Heel molder flanger

1986-04-04

1987-12-01

Schroeder, Werner H.

Boot and shoe making

Lasting machines

Wiper folder

12 543, 12 82, A43D 2100, A43D 1112, A43D 2112

Patent

active

047094338

ABSTRACT:
A machine to mold and flange the heel region of an upper whose heel region has been heated to soften the same. The heel region includes a thermal plastic material which softens when heated and is fairly rigid at and below room temperature. The machine includes a mold to receive the heated upper, the mold being cooled to reduce the temperature of the upper during the molding or forming operation. The machine further includes pincers to draw or stretch the upper about the mold, the direction of stretch being variable, a pad to wrap about the heel region of the upper and wipers. An equalizer mechanism centers the pad with respect to the mold to equalize pressure and the pad has a quick change mechanism associated therewith, as do the wipers. A height gage is provided to assure proper heightwise positioning of the upper on the mold.

REFERENCES:
patent: 2983934 (1961-05-01), Bertrand
patent: 3228046 (1966-01-01), Kamborian et al.
patent: 3307210 (1967-03-01), Lauretti
patent: 3328815 (1967-07-01), Forma
patent: 4150454 (1979-04-01), Becka
patent: 4224708 (1980-09-01), Becka
patent: 4266313 (1980-01-01), Vornberger
patent: 4338696 (1982-07-01), Bichet
patent: 4400839 (1983-08-01), Hartshorn et al.
patent: 4422198 (1983-12-01), Bichet
"Heel Molder Flanger", Bulletin Model D (HMF-D) 5/82.
"Heel Molder Flangers", Bulletin Models D, G and E, 5/82.

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