Measuring and testing – Sheet – woven fabric or fiber – Filament
Patent
1988-12-22
1990-12-04
Yasich, Daniel M.
Measuring and testing
Sheet, woven fabric or fiber
Filament
132223, G01L 504
Patent
active
049744470
ABSTRACT:
Method and apparatus are disclosed for the optimal hair shaping treatment of hair coiled onto rollers, e.g. human hair, whereby the deformations of a roller body resulting during a hair shaping treatment are detected and introduced as deformation measurement values to an arrangement for developing the measured values, which compares at least one pre-determined characteristic measurement value corresponding to an optimal running of the treatment with the measured values and then indicates a concordance.
REFERENCES:
patent: 2496206 (1950-01-01), Grigsby
patent: 4801922 (1989-01-01), Worrell et al.
patent: 4845983 (1989-07-01), Heusser
Schwan Annette
Zang Rupert
Striker Michael J.
Wella Aktiengesellschaft
Yasich Daniel M.
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