Method of rotating or oscillating a flow of granules to form...

Details Method of rotating or oscillating a flow of granules to form... Method of rotating or oscillating a flow of granules to form...

B - Operations, Transporting

05

D

B05D 1/12 (2006.01) B05C 19/04 (2006.01) B05D 1/34 (2006.01) B05D 1/36 (2006.01) B05D 5/06 (2006.01) E04D 1/26 (2006.01)

Patent

CA 2269280

In a method of forming a pattern of granules (15, 16) on an asphalt coated sheet (13) moving in a machine direction (46), a flow of separate first granules (15) and second granules (16) is discharged onto the sheet (13). The flow of granules (15, 16) is rotated to form a pattern of first and second granules (15, 16) on the sheet (13) that changes along the machine direction (46). Another embodiment of the invention provides a method of forming a pattern of granules, in which the flow of granules is oscillated in a direction transverse to the machine direction. The flow of granules can also be discharged intermittently onto the sheet.

Dans un procédé permettant de former un motif de granules (15, 16) sur une feuille (13) recouverte d'asphalte se déplaçant dans le sens machine (46), on déverse sur la feuille (13) un flux de premiers granules (15) et de deuxièmes granules (16) séparés. On fait tourner le flux de granules (15, 16) pour former sur la feuille (13) un motif de premiers et deuxièmes granules (15, 16) qui change le long du sens machine (46). Dans une autre forme d'exécution du procédé selon cette invention, on fait osciller Le flux de granules transversalement au sens machine. L'écoulement de granules peut également être déversé de manière intermittente sur la feuille.

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