# US 2017/0282483 A1 · Binding processing apparatus and image forming system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0282483 A1 - Document ID: US20170282483A1 - Status: Published application - Kind: A1 - Application number: 15/257,953 - Filed: 2016-09-07 - Published: 2017-10-05 - Earliest claimed: 2016-03-29 - Assignees: Fuji Xerox Co., Ltd. - Applicants: Fuji Xerox Co., Ltd. - Inventors: Takuya MAKITA; Hiroaki AWANO; Yoshinori NAKANO; Katsumi HARADA; Kojiro TSUTSUMI; Yasuhiro KUSUMOTO; Hiroshi HAGIWARA; Emiko SHIRAISHI; Junichi HIROTA - Web page: https://patentgrep.com/patent/US20170282483A1 ## CPC - B31F 5/02: by crimping or slotting {or perforating} - B31F 1/07: Embossing {, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles}({B31F1/128 takes precedence;} corrugating B31F1/20; embossing in combination with printing B41F19/02, B41M1/24; typewriters for embossing B41J3/38; stamping in combination with deforming B41K3/36) - B65H 37/04: for securing together articles or webs, e.g. by adhesive, stitching or stapling (adhering replacement to expiring web during change of web roll B65H19/18) - G03G 15/6541: {Binding sets of sheets, e.g. by stapling, glueing} - B31F 2201/0754: The tools being other than rollers, e.g. belts or plates - B65H 2301/43828: involving simultaneous deformation of at least a part of the articles to be bound - B65H 2301/51616: involving simultaneous deformation of parts of the material to be bound - B65H 2801/27: Devices located downstream of office-type machines - G03G 2215/00852: Temporary binding - B31F: MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER (making layered products not composed wholly of paper or cardboard B32B) - B65H: HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES - G03G: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY ## Abstract A binding processing apparatus includes: a pressure-applying member pair that has multiple projections arranged side-by-side and applies pressure to a sheet stack by pressing the projections against the sheet stack; and an advancing-and-retracting part that causes at least one of the pressure-applying members in the pressure-applying member pair to move toward or away from the other pressure-applying member. A pitch of the projections in each pressure-applying member is from 1.2 mm to 1.5 mm, and a height of the projections is from 0.55 mm to 0.75 mm, and a load per unit area applied from each pressure-applying member to the sheet stack when the pressure-applying member applies pressure to the sheet stack is from 42 N/mm2 to 94 N/mm2. ## Claims ### Claim 1 A binding processing apparatus comprising: a pressure-applying member pair that has a plurality of projections arranged side-by-side and applies pressure to a sheet stack by pressing the projections against the sheet stack; and an advancing-and-retracting part that causes at least one of the pressure-applying members in the pressure-applying member pair to move toward or away from the other pressure-applying member, wherein a pitch of the projections in each pressure-applying member is from 1.2 mm to 1.5 mm, and a height of the projections is from 0.55 mm to 0.75 mm, and a load per unit area applied from each pressure-applying member to the sheet stack when the pressure-applying member applies pressure to the sheet stack is from 42 N/mm2 to 94 N/mm2. ### Claim 2 (depends on 1) The binding processing apparatus according to claim 1, wherein the load per unit area applied from each pressure-applying member to the sheet stack is from 50 N/mm2 to 86 N/mm2. ### Claim 3 (depends on 1) The binding processing apparatus according to claim 1, further comprising: in addition to the pressure-applying member pair, another pressure-applying member pair for applying pressure to the sheet stack; and a switching part for switching the pressure-applying member pair to be used to apply pressure to the sheet stack. ### Claim 4 (depends on 2) The binding processing apparatus according to claim 2, further comprising: in addition to the pressure-applying member pair, another pressure-applying member pair for applying pressure to the sheet stack; and a switching part for switching the pressure-applying member pair to be used to apply pressure to the sheet stack. ### Claim 5 (depends on 3) The binding processing apparatus according to claim 3, wherein the switching part switches the pressure-applying member pair to be used by moving the sheet stack. ### Claim 6 (depends on 4) The binding processing apparatus according to claim 4, wherein the switching part switches the pressure-applying member pair to be used by moving the sheet stack. ### Claim 7 (depends on 3) The binding processing apparatus according to claim 3, wherein the switching part switches the pressure-applying member pair to be used by moving the pressure-applying member pair. ### Claim 8 (depends on 4) The binding processing apparatus according to claim 4, wherein the switching part switches the pressure-applying member pair to be used by moving the pressure-applying member pair. ### Claim 9 (depends on 3) The binding processing apparatus according to claim 3, wherein the plurality of pressure-applying member pairs are attached to rotary members, and the switching part switches the pressure-applying member pair to be used by rotating the rotary member. ### Claim 10 (depends on 4) The binding processing apparatus according to claim 4, wherein the plurality of pressure-applying member pairs are attached to rotary members, and the switching part switches the pressure-applying member pair to be used by rotating the rotary member. ### Claim 11 (depends on 1) An image forming system comprising: an image forming part that forms an image on a sheet; and a binding processing apparatus that performs binding processing on a plurality of sheets having images formed thereon by the image forming part, wherein the binding processing apparatus is the binding processing apparatus according to claim 1.