D - Textiles – Paper – 05 – B
Patent
D - Textiles, Paper
05
B
154/1, 112/30, 3
D05B 1/02 (2006.01)
Patent
CA 1244723
- 1 - Abstract: The present invention is directed to an apparatus for manufacturing a laminar block. The apparatus comprises a sewing needle having an apparatus for a single chain stitch comprising: a sewing needle having a recess capable of engaging and disengaging a thread at a side wall portion on a top end thereof and adapted to be moved reciprocatingly along a longitudinal direction thereof; and an auxiliary needle adapted to be moved to one outer surface of a laminar body along the sewing needle in a space on one side of the laminar body composed of a plur- ality of laminated sheet-like members made of inorganic fibers such that a first loop-like thread part of a sewing thread, engaged upon forward movement of the sewing needle to the recess of the sewing needle when the top end of the sewing needle inserted into the laminar body from the outer surface of a sheet-like member situated on one side thereof is protruded out of the outer surface of a sheet- like member situated on the other side of the laminar body, exposed, upon returning movement of the stitching needle, to said one side of the laminar body passing through the laminar body while being engaged in the recess, and disen- gaged from the recess of the sewing needle, is engaged with the auxiliary needle upon next forward movement of the sewing needle before the sewing needle is again inserted into the laminar body from said one side, and adapted to be moved apart from said one side of the laminar body in the space on said one side of the laminar body such that the engagement of the auxiliary needle with the first loop-like thread part is released when a second loop-like thread part, engaged to the recess upon the next forward movement of the sewing needle and passed through the laminar body and the first loop-like thread in the state engaged to the recess upon next returning movement of the sewing needle, is exposed to said one side of the laminar body. The laminar block is useful as an insulating material.
550524
Kawashima Haruo
Uchiya Takao
Kirby Eades Gale Baker
Toshiba Monofrax Company Ltd.
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