Collapsible tube with a distributor head without air return

Details Collapsible tube with a distributor head without air return Collapsible tube with a distributor head without air return

B - Operations, Transporting

65

D

B65D 35/46 (2006.01) B65D 47/20 (2006.01) B65D 81/28 (2006.01)

Patent

CA 2461690

The invention relates to a collapsible tube head (100, 200, 300, 400) comprising a neck (103, 203, 303, 403) which is fitted with a port (180, 280, 380, 480) and a shoulder (102, 202, 302, 402). The aforementioned head is fitted with a valve (110, 210, 310, 410) which is inserted in the neck of the collapsible tube, said valve comprising a sealing means (112, 212, 312, 412) which is connected to a ring support (115, 215, 315, 415) having an opening (122, 222, 322, 422). When the tube is not compressed, the sealing means is positioned so as to seal the opening and, when the tube is compressed, said means is maintained in the open position. The internal surface of the tube is provided with a bore (105, 205, 305, 405) which is disposed close to the base of the neck. The ring support is fixed to the bore by means of bonding, soldering or force, and said bore and ring support are preferably provided with complementary connection means, in particular a groove and rice grains.

Tête de tube souple (100,200,300,400) comportant un goulot (103,203,303, 403) muni d'un orifice de distribution ( 180, 280, 380, 480) et d'une épaule ( 102, 202, 302, 402), ladite tête étant munie d'une soupape ( 110, 210, 310, 410) insérée dans le goulot dudit tube souple, ladite soupape comportant un obturateur ( 112, 212, 312, 412) associé à un support annulaire ( 115, 215, 315, 415) muni d'un orifice ( 122, 222, 322, 422), ledit obturateur étant maintenu en position d'obturation dudit orifice lorsque le tube n'est pas compressé et en position d'ouverture lorsque le tube est compressé. La surface interne du tube est munie d'un alésage (105, 205, 305, 405) au voisinage de la base dudit goulot. Le support annulaire est fixe sur l'alésage par collage, soudage ou par enfonçage à force, de préférence en munissant l'alésage et le support annulaire de moyens complémentaires de solidarisation, notamment une gorge et des grains de riz.

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