A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 13/15 (2006.01) A61F 13/46 (1995.01)
Patent
CA 2173944
The present invention provides a method and ap- paratus for applying discrete particles (38) of absorbent material to a predetermined location on a fibrous web. The apparatus comprises a continuously rotating mask (100), and a means for directing a supply stream of ab- sorbent particles to form an acute included angle with a diverting surface on the rotating maks. The mask divert- ing surface (110) splits the supply stream of absorbent particles into a first intermittent stream (103) passing through the mask and a second intermittent stream (105) deflected by the diverting surface. The absorbent parti- cles in one of the first and second intermittent streams is directed to the fibrous web.
La présente invention concerne un procédé et un dispositif d'application de particules discrètes (38) de matière absorbante à des emplacements prédéterminés d'une nappe fibreuse. Le dispositif comporte un pochoir (100) en rotation permanente et un équipement dirigeant le flux d'apport de particules absorbantes selon un angle aigu fermé par rapport avec la surface de déflexion du pochoir (110). Cette surface décompose le flux d'apport de particules absorbantes en un premier flux intermittent (103) passant au travers du pochoir, et un second flux intermittent (105) dévié par la surface de déflexion. Les particules absorbantes de l'un des deux flux intermittents sont projetées sur la nappe fibreuse.
Fleming James Michael
Vonderhaar Michael Francis
Sim & Mcburney
The Procter & Gamble Company
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