Boot and shoe making – Miscellaneous – Assembly machines
Patent
1979-08-24
1981-12-08
Lawson, Patrick D.
Boot and shoe making
Miscellaneous
Assembly machines
A43D 000
Patent
active
043040209
ABSTRACT:
Shoes with bonded type soles may be made at a higher rate of speed on a line with continuous travel of the lasts, at a predetermined and variable rate, where the series of automatic machines come, in most cases, to work on the last. Either a complete installation, with automatic, programmed cycle, or a series of automated units particularly make possible: placing of the insoles on the last with foot and size selection and centering of the insoles; simultaneous gluing and assembly of the sides after placing of the uppers; roughing operations with preregistration of the depth and following of the profile of the sides; overturning of the sole, prepositioning on the upper, reactivation of the glue, attachment and bonding of the sole; and removal from the last. The installation may be used for the production of various types of shoes by units assembled by unit in pairs or by pairs.
REFERENCES:
patent: 2960703 (1960-11-01), Dorosz
patent: 3631553 (1972-01-01), Holland
patent: 3858263 (1975-01-01), Smirnov et al.
Bonnet Pierre
Villaret Remy
Bonnet Pierre
Etablissement G. Imbert
Lawson Patrick D.
Villaret Remy
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