Cartridge for holding a supply of a flowable substance

B - Operations – Transporting – 05 – C

Patent

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Details

B05C 17/005 (2006.01) B65D 25/56 (2006.01) B65D 47/36 (2006.01) B65D 83/00 (2006.01) B65D 83/76 (2006.01) B65D 85/72 (2006.01) E04F 21/30 (2006.01) F16N 3/12 (2006.01)

Patent

CA 2285902

A cartridge (10) for holding a supply of a flowable substance includes a cylindrical tube (12) which is closed at one end (14) by a slidable seal (16). An opposite end of the tube (12) is closed by an integral end wall (22) which is provided with a sealed nipple (24) extending from the centre thereof. Nipple (24) is provided with an external thread (26). A line of weakness (28) is formed about tube (12) near end wall (22). A flange (38) extends radially from the outer circumferential surface of tube (12) adjacent the line of weakness (28). Translucent strip (40) is formed along the length of the tube (12) to allow viewing of the position of the slidable seal (16) within the tube (12). To use the cartridge (10) in a grease gun, the seal (16) is pulled out and the end wall (22) cut off along the line of weakness (28). To use the cartridge (10) in a chalking gun, the cartridge (10) is simply dropped into the body of the chalking gun and end of nipple (24) cut off. To use the cartridge (10) in a vacuum gun, again end of nipple (24) is cut off and the nipple screwed into the vacuum gun.

L'invention concerne une cartouche (10), destinée à contenir une alimentation en substance fluide, qui comprend un tube cylindrique (12) fermé à une extrémité (14) par un dispositif obturateur coulissant (16). L'extrémité opposée du tube (12) est fermée par une paroi terminale monobloc (22), qui comporte un raccord fileté (24) partant de son centre et présentant un filetage externe (26). Une ligne de faiblesse (28) est formée autour du tube (12) près de sa paroi terminale (22). Un rebord (38) s'étend radialement depuis la surface circonférentielle externe du tube (12) adjacente à la ligne de faiblesse (28). Une bande translucide (40), formée le long du tube (12), permet de voir la position du dispositif obturateur coulissant (16) à l'intérieur dudit tube (12). Quand on utilise la cartouche (10) dans un pistolet de graissage, on enlève le dispositif obturateur (16) et on coupe la paroi terminale (22) en suivant la ligne de faiblesse (28). Quand on l'utilise dans un pistolet de calfeutrage, on l'introduit simplement dans le corps du pistolet et on coupe l'extrémité du raccord fileté (24). Quand on l'utilise dans un pistolet à vide, on coupe également l'extrémité du raccord fileté (24) et on visse ledit raccord dans le pistolet.

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