Process for producing slats for a vertical slatted venetian blin

Details Process for producing slats for a vertical slatted venetian blin Process for producing slats for a vertical slatted venetian blin

1981-12-02

1983-12-06

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

With testing or indicating

33 2H, 33174G, B23Q 1700, A41H 100

Patent

active

044184611

ABSTRACT:
The invention relates to a process for producing ready-to-use slats from semifinished slat portions for a slatted Venetian blind having vertically directed slats. In connection with the process, the slat portions are in each case cut at their free lower end to the length corresponding to the installation height, plus an extra length that takes into account a wrap-over portion. The wrap-over portion of a slat is in each case folded over at a bending edge predetermined by the use length. The lower end part of a slat is provided, in the vicinity of the wrap-over portion, with a system of perforations consisting of at least two holes for receiving retaining pins of a retaining means. The retaining pins are passed through the holes and locked.

REFERENCES:
patent: 2814116 (1957-11-01), Goodman
patent: 4010592 (1977-03-01), Nixon
patent: 4221054 (1980-09-01), Schaevitz
patent: 4228592 (1980-10-01), Bodger

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