Invention Grant
- Patent Title: Gripping for lifting material web rolls, particularly paper-and paperboard rolls
- Patent Title (中): 夹紧起重材料卷筒纸，特别是纸板和纸板卷
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Application No.: US12522729Application Date: 2007-11-16
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Publication No.: US08485577B2Publication Date: 2013-07-16
- Inventor: Matti Lammi , Jouko Helminen , Jarmo Pohjolainen
- Applicant: Matti Lammi , Jouko Helminen , Jarmo Pohjolainen
- Applicant Address: FI Rauma
- Assignee: Raumaster Paper Oy
- Current Assignee: Raumaster Paper Oy
- Current Assignee Address: FI Rauma
- Agency: Ladas & Parry LLP
- Priority: FI20070030 20070112; FI20080194 20070207; FI20070815 20071029
- International Application: PCT/FI2007/050617 WO 20071116
- International Announcement: WO2008/084134 WO 20080717
- Main IPC: B66C1/00
- IPC: B66C1/00 ; E21B19/07
Abstract:
A gripper having contact members arranged to be positioned against the sides of a roll to be lifted. A gripping force is provided on the contact members at substantially gripping height against the roll to be lifted by tensioning a binder connecting the contact members.
Public/Granted literature
- US20100014955A1 GRIPPING FOR LIFTING MATERIAL WEB ROLLS, PARTICULARLY PAPER- AND PAPERBOARD ROLLS Public/Granted day:2010-01-21
Information query
