Method and apparatus for regulation of seam shape

Details Method and apparatus for regulation of seam shape Method and apparatus for regulation of seam shape

1982-01-25

1988-05-10

Nerbun, Peter

Sewing

Elements

Frames

112153, 112308, 11212111, D05B 1900, D05B 2710, D05B 3510

Patent

active

047427892

ABSTRACT:
The invention relates to automatic sewing and/or joining of textiles, high polymer materials, leather and metals. The object of the invention is to automate the sewing opertion system, to improve the quality of the seam and to conserve labor. A self-regulating system has to be created. According to the invention, the sewing operation is carried out as a control process, in which the deviation of the produced seam shape from the stored seam shape serves as a control value for the transporting elements of the sewing goods. For this, one or a plurality of detection heads and light emitters are arranged in the area of the seaming point, and are connected to an information processing system. The seam shape initially arising is transformed into storable data, is stored together with other data of the seam, and the seam path arising from automatic sewing is compared with the stored data. Deviations from the desired seam path are at once automatically corrected. The invention may be used in the textile, leather, metal, and plastics industries.

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patent: 4100865 (1978-07-01), Landau, Jr. et al.
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patent: 4226197 (1980-10-01), Pollmeier et al.
patent: 4248168 (1981-02-01), Hoffman
patent: 4296700 (1981-10-01), Jehle et al.
patent: 4359953 (1982-11-01), Martell et al.
patent: 4398348 (1983-08-01), Bergvall et al.
patent: 4403559 (1983-09-01), Hirose

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