Sewing – Elements – Frames
Patent
1977-10-18
1978-11-14
Schroeder, Werner H.
Sewing
Elements
Frames
112155, 11212123, 223 28, 112118, 112427, D05B 2500, D05B 1100
Patent
active
041250796
ABSTRACT:
A bag for forming into a quilted article is produced by pleating two sections of material and by feeding pairs of the folded edges thus formed through respective work stations, each pair comprising one edge from each section and the two edges from each pair being fed side by side and simultaneously through the respective station. At each station, the longitudinal edges of a respective strip of flexible material are simultaneously secured to the respective pair of folded edges so as to produce elongate quilting pockets. Apparatus for producing the bag has a plurality of the work stations, means for folding the sections of material, guides which receive the material from the folding means and feed means which co-operate with the guides to feed the folded edges of each pair side by side and simultaneously to the respective work station. The feed means also serve to draw the strips of flexible material from supports for these strips and through the respective work stations. Work means at the work stations are provided to secure the longitudinal edges of each strip simultaneously to the respective pair of folded edges.
REFERENCES:
patent: 315678 (1885-04-01), Turner
patent: 1402584 (1922-01-01), Elrod
patent: 1451220 (1923-04-01), Heap
patent: 1915329 (1933-06-01), Mitchell
patent: 2074663 (1937-03-01), Mitchell
patent: 2132429 (1938-10-01), Mitchell
patent: 3887118 (1975-06-01), Levenstein
Falik Andrew M.
Isothermic Engineering & Research Limited
Schroeder Werner H.
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