Method for automatically applying and splicing cut strips of mat

Details Method for automatically applying and splicing cut strips of mat Method for automatically applying and splicing cut strips of mat

1995-03-10

1996-12-10

Knable, Geoffrey L.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156130, 156133, 156134, 1564064, 1564066, B29D 3030

Patent

active

055826644

ABSTRACT:
In a method for automatically applying cut strips of material with varying lengths onto a tire building drum for manufacturing green tires a cut strip of material, comprising a forward portion with a leading edge, a middle section, and an end portion, is fed with a conveyor belt to a tire building drum. The leading edge of the forward portion is placed onto the tire building drum, being rotated at a first circumferential speed, that is substantially identical to a first feeding speed of the conveyor belt, during application of the forward portion. The first circumferential speed of the tire building drum is increased to a second constant circumferential speed for applying the middle section. Simultaneously, the first feeding speed of the end less conveyor belt is increased to a second feeding speed which is controlled as a function of the actual length of the cut strip of material. The second constant circumferential speed is reduced to a third circumferential speed and the second feeding speed is reduced to a third feeding speed, that is substantially identical to the third circumferential speed, for applying the end portion.

REFERENCES:
patent: 3770040 (1973-11-01), De Cicco
patent: 3944457 (1976-03-01), Podvin et al.
patent: 3946782 (1976-03-01), Petrasek et al.
patent: 4738743 (1988-04-01), Satoh et al.
patent: 4769104 (1988-09-01), Okuyama et al.
patent: 5194107 (1993-03-01), Okuyama et al.

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