B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
B31B 43/00 (2006.01) B31B 45/00 (2006.01) B31F 1/00 (2006.01)
Patent
CA 2740044
The invention concerns the equipment for forming of paper containers starting from a continuous wet paper belt. It comprises a mobile semi-mould and a fixed semi-mould defining an impression corresponding to the container to be produced. Around the mobile semi-mould (15) are provided concentrically an upper cutting blade (18), an upper pleating/crimping ring (19) and an upper rim former (20); around the fixed semi-mould (14) are provided a counter cutting blade (21 ), an upper counter pleating/crimping ring (22) and a counter rim former (23), associated respectively with the cutting blade, the pleating/crimping ring and rim former on board associated with a mobile semi-mould. And this, respectively, to cut from the initial paper tape a length of paper depending on the measurements of the container to be formed, to pleat/crimp a peripheral crown of said blank paper during the closing stroke of the semi-moulds, and to form a crimped rim around the lateral wall of the container during the opening stroke of said semi-moulds.
L'invention concerne un équipement permettant de former des contenants en papier à partir d'une bande continue de papier humide. Cet équipement comprend un demi-moule mobile et un demi-moule fixe définissant une empreinte correspondant au contenant à produire. Autour du demi-moule mobile (15) sont prévus de manière concentrique une lame de coupe supérieure (18), un anneau (19) à plisser/gaufrer supérieur et un élément supérieur de formation (20) de rebord; autour du demi-moule fixe (14) sont prévus une lame de coupe (21) correspondante, un anneau correspondant (22) à plisser/gaufrer et un élément correspondant de formation (23) de rebord, qui sont associés respectivement à la lame de coupe, à l'anneau à plisser/gaufrer et à l'élément de formation de rebord associés au demi-moule mobile. Ce dispositif permet respectivement de couper, à partir de la bande de papier initiale, une longueur de papier en fonction des mesures du contenant à former, de plisser/gaufrer une couronne périphérique dans le papier coupé pendant la course de fermeture des demi-moules, et de former un rebord gaufré autour de la paroi latérale du contenant pendant la course d'ouverture des demi-moules.
Leali Mauro
Treccani Giuseppe
Quality Tools S.r.l.
Robic
LandOfFree
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