B - Operations – Transporting – 31 – F
Patent
B - Operations, Transporting
31
F
B31F 5/00 (2006.01) B31B 1/72 (2006.01)
Patent
CA 2652531
The invention relates to a method for protecting the untrimmed edge of paperboard or paper (1), in which method the untrimmed edge (4) of two adjacent paperboards or papers are protected and attached abuttingly together by sealing a separate profile (3) on both sides of the abutment of the edges (4) by means of ultrasound.
La présente invention concerne un procédé de protection du bord non rogné d'un carton ou d'un papier (1), les bords non rognés (4) de deux cartons adjacents ou de deux papiers adjacents étant protégés et fixés en butée l'un contre l'autre en fermant de façon étanche un profil séparé (3) sur les deux côtés des bords (4) en butée au moyen d'ultrasons.
Elorae Marjo
Hietaranta Tapio
Jaervelae Pentti
Maeaettae Paeivi
Penttinen Tapani
Ridout & Maybee Llp
Stora Enso Oyj
LandOfFree
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