公开(公告)号：US11963853B2

公开(公告)日：2024-04-23

申请号：US17427858

申请日：2020-02-11

Applicant: GDM S.p.A.

Inventor： Andrea Duchini ,  Giacomo Noferini ,  Matteo Piantoni ,  Gabriele Resmini ,  Marco Rosani ,  Alessandro Saccomani ,  Maurizio Spatti

IPC: B29C65/08 ,  A61F13/15 ,  B29C65/00 ,  B29C65/78 ,  B29L31/48

CPC classification number: A61F13/15739 ,  B29C65/087 ,  B29C65/7847 ,  B29C65/7885 ,  B29C65/7894 ,  B29C66/0062 ,  B29C66/1122 ,  B29C66/431 ,  B29C66/81465 ,  B29C66/8226 ,  B29C66/8242 ,  B29C66/8322 ,  B29C66/8324 ,  B29C66/83517 ,  B29C66/8412 ,  A61F2013/15869 ,  B29C2793/009 ,  B29L2031/4878

Abstract: A rotary welding device which includes a rotary part rotating about its axis of rotation, one or more supporting elements for supporting a continuous strip, specifically a strip of nappies, supported by the rotary part, and a plurality of welding units, mounted on the rotary part, for welding the continuous strip; each welding unit is configured to pass from a non-operating position to an operating position and vice versa; each welding unit includes a respective welding tip and a respective anvil element which is movable relative to the welding tip; each welding unit includes respective first movement means configured to drive the anvil element in rotation relative to the welding tip from an initial position, where the anvil element is angularly spaced from the welding tip, to a final position, where the surface of the welding tip and the surface of the anvil element are parallel and aligned with each other along the same axis, and vice versa.

公开(公告)号：US12037205B2

公开(公告)日：2024-07-16

申请号：US17809209

申请日：2022-06-27

Applicant: GDM S.p.A

Inventor： Matteo Piantoni ,  Alessandro Zavalloni ,  Alessandro Saccomani

IPC: B65G47/84 ,  A61F13/15 ,  B65G47/252

CPC classification number: B65G47/848 ,  A61F13/15764 ,  B65G47/252 ,  B65G2201/022

Abstract: A method and apparatus for depositing discrete elements on a support element. The discrete elements may be separated from each other or joined to form a continuous web. The discrete elements are fed into a pick-up station defined at a rotor which includes circumferentially adjacent pick-up members. Each discrete element is associated with a respective pick-up member having a first orientation with respect to a respective second axis of rotation. Each pick-up member is moved along the rotation direction towards a release position downstream with an at least partially accelerated or decelerated motion. Each pick-up member is rotated about the respective second axis of rotation until it takes, at the release position, a second orientation. Each discrete element is released on a support element at the release position. Each pick-up member is subsequently moved towards the pick-up station with an at least partially decelerated or accelerated motion.