B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 3/04 (2006.01) B05B 13/02 (2006.01) B05C 9/14 (2006.01) B05C 13/00 (2006.01) F26B 13/00 (2006.01) F26B 13/20 (2006.01) F26B 21/00 (2006.01)
Patent
CA 2050543
A plurality of coated strands are conveyed through a drying oven. A plurality of nozzles impinge the upper surface of the coated strand as it passes therethrough. Baffle plates positioned below the strands redirect the gas stream such that, after the gas stream has passed through the strands, it is redirected so as to impinge on an opposite surface of the coated strand. The strand is supported by positioning it between an additional pair of nozzles that are tilted towards each other such that an upwardly directed gas stream issuing from the first nozzle intersects an upwardly directed gas stream issuing from the second nozzle along a line which along with the strand, forms a generally vertical plane. The combined upwardly directed force from the gas streams lifts and supports the strand while the opposing lateral force from each gas stream on the strand tend to reduce and lateral movement and stabilize its relative position.
Cette invention concerne le séchage en four-tunnel d'une série de brins revêtus. Une pluralité de buses de soufflage envoient un gaz chaud sur la surface supérieure des brins qui défilent devant elles. Des déflecteurs placés sous les brins renvoient les gaz chauds contre la surface inférieure des brins qui sont maintenus entre une paire additionnelle de buses inclinées l'une vers l'autre de façon que leurs jets dirigés vers le haut se coupent le long d'une ligne qui forme avec le brin un plan généralement vertical. La force ascendante combinée des jets de gaz a pour effet de soulever les brins tandis que la force antagoniste des jets des buses de soufflage latérales tend à réduire les déplacements latéraux des brins et à les stabiliser les unes par rapport aux autres.
Borden Ladner Gervais Llp
Ppg Industries Inc.
Ppg Industries Ohio Inc.
LandOfFree
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