Boot and shoe making – Lasting machines – Wiper folder
Patent
1982-01-25
1983-09-20
Lawson, Patrick D.
Boot and shoe making
Lasting machines
Wiper folder
12 336, 12127, A43D 2100, A43D 8900, A43D 300
Patent
active
044047002
ABSTRACT:
The machine comprises a shoe support (20) on which a shoe can be positioned, and which includes a toe end engaging member (48) which senses the shoe length, two abutment faces (84, 90) being set along shoe length sensed. The machine also comprises adhesive-applying nozzles (262) and side lasting rolls (224) mounted on a carriage (216) for movement relative to the last support. The "start" position of the nozzles is set by valves (334,336) actuated by cams (330, 332) positioned by a sensing member (326) engaging with one abutment face (84). Various other machine operations, which take place at the ball region of the shoe bottom, the position of which region thus varies proportionately with shoe length, are controlled by further valves (354, 356) actuated by cams (350, 352) carried on a control rod (344) the position of which is determined by a sensing member (338) engaging the other abutment face (90), an appropriate length grading arrangement (342) connecting said member and said control rod. The position of the abutment face (84) can be adjusted by the operator to accommodate different shoe styles.
REFERENCES:
patent: 3651526 (1972-03-01), Ogawa
patent: 3758904 (1973-09-01), Kamborian et al.
patent: 4120063 (1978-10-01), Vornberger et al.
Berrill William H.
Price Frank C.
Halgren Donald N.
Lawson Patrick D.
USM Corporation
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