Title: Apparatus for the patterned deposition of powdered thermoplastics adhesive material on the outer surface of a surface form

Abstract: A process and apparatus for the patterned deposition of powdered thermoplastics adhesive material on the outer surface of a textile or other porous-flexible surface form, wherein there is first insertion raked in a pattern of depressions formed in an engraved component an adhesive powder material and then on this powder a further adhesive powder material is insertion raked in the depressions, so that both the powder layers superposed one on the other are taken up by the surface form which is positioned on the engraved component.

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Inventors: Hefele, Josef (Grafelfing, DE, US)

Application Number: 706588
Filing Date: 1976-07-19
Publication_date: 1979-02-27
Assignee: Kufner Textilwerke KG (DE)
Primary Class(es): 118/212 118/246, 118/249, 118/261
Other Classes:
US Patent Ref:

2787244	Apr, 1957	Hickin	118/212.
3110609	Nov, 1963	Blejzinger	118/212.
3304861	Feb, 1967	Magid	101/152.
3389655	Jun, 1968	Lorenz et al.	101/157.
3641978	Feb, 1972	Hathorn	118/412.
3667422	Jun, 1972	Saladen	118/212.
3762365	Oct, 1973	Herzog	118/212.

Other Refs:
Primary Examiner: McIntosh, John
Assistant Examiner:
Attorney: Hill, Gross, Simpson, Van Santen, Steadman, Chiara & Simpson