Manufacturing container or tube from paper; or other manufacturi – Bending – Folding
Reexamination Certificate
2008-03-03
2010-06-15
Tawfik, Sameh H. (Department: 3721)
Manufacturing container or tube from paper; or other manufacturi
Bending
Folding
C493S425000, C493S435000, C493S427000
Reexamination Certificate
active
07736290
ABSTRACT:
A sheet folding apparatus, including: a stacker configured to stack a plurality of sheets; a first folding roller configured to rotate around a first axis; a second folding roller configured to rotate around a second axis which is in parallel with the first axis and biased to the first folding roller separably to make a nip together with the first folding roller therebetween; a blade unit configured to push a surface of the plurality of sheets stacked by the stacker, into the nip; a first support configured to support the blade unit and configured to move linearly in a common tangential direction of the first folding roller and the second folding roller at the nip; and a second support configured to support the blade unit, configured to move linearly in the common tangential direction when the blade unit passes a section between where the blade unit starts touching at the plurality of sheets and where the plurality of sheets approaches the nip, and configured to deviate the blade away from the common tangential line to the second folding roller side with blocking deviating the blade unit away from the common tangential line to a first folding roller side when the plurality of sheets approaches the nip.
REFERENCES:
patent: 5169376 (1992-12-01), Ries et al.
patent: 6276677 (2001-08-01), Hommochi et al.
patent: 7360958 (2008-04-01), Awano
patent: 2008/0318752 (2008-12-01), Oshiro et al.
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patent: 2001-019269 (2001-01-01), None
patent: 2004-010198 (2004-01-01), None
Iijima Tomomi
Kawaguchi Takahiro
Oshiro Toshiaki
Kabushiki Kaisha Toshiba
Tawfik Sameh H.
Toshiba Tec Kabushiki Kaisha
Turocy & Watson LLP
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