- Patent Title: Method for protecting the untrimmed edge of a paperboard or paper
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Application No.: US12227354Application Date: 2007-05-14
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Publication No.: US08414723B2Publication Date: 2013-04-09
- Inventor: Päivi Määttä , Risto Vesanto , Tapani Penttinen , Heli Vesanto , Pentti Järvelä , Marjo Elorae , Tapio Hietaranta , Martti Turunen , Ritva Turunen
- Applicant: Päivi Määttä , Risto Vesanto , Tapani Penttinen , Heli Vesanto , Pentti Järvelä , Marjo Elorae , Tapio Hietaranta , Martti Turunen , Ritva Turunen
- Applicant Address: FI Helsinki
- Assignee: Stora Enso Oyj
- Current Assignee: Stora Enso Oyj
- Current Assignee Address: FI Helsinki
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: FI20065336 20060518
- International Application: PCT/FI2007/050273 WO 20070514
- International Announcement: WO2007/135234 WO 20071129
- Main IPC: B32B37/00
- IPC: B32B37/00
Abstract:
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.
Public/Granted literature
- US20090298662A1 Method for protecting the untrimmed edge of a paperboard or paper Public/Granted day:2009-12-03
Information query
