Boot and shoe making – Lasting machines – Nipper stretcher
Patent
1980-05-31
1982-07-13
Lawson, Patrick D.
Boot and shoe making
Lasting machines
Nipper stretcher
12 12, 12145, A43D 2100, A43D 2300
Patent
active
043386954
ABSTRACT:
A shoe side or combined heel seat and side lasting machine has two cement applying nozzles movable from an initial position, adjacent one another, outwardly to a first position, determined by abutments associated one with each nozzle, which abutments guide the nozzles in a straight line in the shoe bottom waist region. In the combined machine version, such outward movement causes a V-shaped pattern of adhesive to be applied in the shoe bottom heel seat region. Selector means is also provided for causing, according to whether the shoe is a left or right, the abutment associated with the nozzle tracking along the inside edge of the shoe bottom, to move from its first to a second position when the nozzle reaches the shoe bottom joint region, while the other nozzle continues in a straight line, thus to facilitate adhesive application to marginal portions of the shoe bottom up to the ball region.
REFERENCES:
patent: 3105983 (1962-10-01), Deschens et al.
patent: 3178742 (1965-04-01), Vollhardt et al.
patent: 3831216 (1974-08-01), Vornberger
patent: 3868737 (1975-03-01), Fichtner et al.
Berrill William H.
Bosworth George H.
Halgren Donald N.
Lawson Patrick D.
USM Corporation
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