Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1972-06-19
1977-03-01
Van Horn, Charles E.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
19 66R, 28 75R, 57164, 427335, 427365, 427390R, 428361, 428378, D06M 1300
Patent
active
040100561
ABSTRACT:
A process for continuously bonding staple fibers into an essentially non-twisted yarn comprising the steps of introducing into a fiber arrangement composed of staple fibers an excess of a liquid containing an adhesive in distributed form, squeezing excess liquid out of the fiber arrangement, compacting the fiber arrangement by applying pressure to form a moist slubbing, and for setting the adhesive and transforming the slubbing into a bonded yarn bringing into contact as by feeding the slubbing into a condensing vapor atmosphere.
The yarn produced according to the aforementioned process, compared to a yarn set in dry air with the same quantity of adhesive, possesses a higher breaking length and rupture or break elongation and a smoother surface.
REFERENCES:
patent: 2689813 (1954-09-01), Lawrence
patent: 2834704 (1958-05-01), Lawrence
patent: 3426389 (1969-02-01), Naegeli
patent: 3432889 (1969-03-01), Naegeli
patent: 3512232 (1970-05-01), Bolinger
Ball Michael W.
Kleeman Werner W.
Pavena AG
Van Horn Charles E.
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