# US 5,702,219 A · Apparatus for and process of bookbinding > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,702,219 A - Document ID: US5702219A - Status: Granted - Kind: A - Application number: 08/607,343 - Filed: 1996-02-26 - Granted: 1997-12-30 - Earliest claimed: 1996-02-26 - Assignees: Kabushiki Kaisha Kanpuri - Inventors: Katsuyoshi Hattori - Web page: https://patentgrep.com/patent/US5702219A ## CPC - B42C 9/0018: {for binding stacks of sheets one at the time} - B42C: BOOKBINDING (cutting or perforating machines, devices or tools B26; folding sheets or webs B31F; ornamenting books B44) ## Abstract An apparatus for and a process of bookbinding is provided which permit automatic back-bonding of bookbinding by folding a plurality of paper sheets in two with the wrong sides of the plurality of paper sheets, i.e., the sides not bearing any characters or drawings thereon, as the outer sides and applying together the folded paper sheets on the wrong sides thereof. The bookbinding apparatus includes folding facilities for folding each paper sheet in two with the wrong side as the outer side, stacking facilities for stacking the folded paper sheets by feeding the paper sheets successively to a predetermined position on a plate-like member, and adhesive applying facilities for applying adhesive material to the wrong side of each folded paper sheet fed to the predetermined position. The folded paper sheets fed to the plate-like member are thus bonded together successively on the wrong sides thereof. ## Claims ### Claim 1 An bookbinding apparatus for back-bonding by folding in half a plurality of paper sheets, each paper sheet of said plurality of paper sheets having a first side, which bears characters thereon, and a second opposed side, which does not bear any characters thereon, said second opposed side of each paper sheet of said plurality of sheets being an outer side such that said second opposed sides of said plurality of paper sheets, after being folded, are bonded together, said apparatus comprising: folding means for folding each paper sheet of said plurality of paper sheets in half with said second opposed sides of each paper sheet of said plurality of paper sheets being said outer side; stacking means for stacking each paper sheet of said plurality of paper sheets, after each sheet of said plurality of paper sheets has been folded, while successively feeding each sheet of said plurality of paper sheets to a predetermined position on a plate-shaped member; and adhesive applying means for applying adhesive material to said second opposed sides of each sheet of said plurality of paper sheets fed to said predetermined position, wherein each paper sheet of said plurality of paper sheets is successively bonded together on said second opposed side as each paper sheet of said plurality of paper sheets are fed to said plate-shaped member. ### Claim 2 (depends on 1) The bookbinding apparatus according to claim 1, further comprising pressing means for pressing together each paper sheet of said plurality of paper sheets, after each sheet of said plurality of paper sheets has been folded, and after each paper sheet of said plurality of paper sheets have been stacked by said stacking means. ### Claim 3 (depends on 1, 2) The bookbinding apparatus according to any one of claims 1 and 2, further comprising paper feeding means for successively feeding each paper sheet of said plurality of paper sheets one at a time to said folding means. ### Claim 4 (depends on 1, 2) The bookbinding apparatus according to any one of claims 1 and 2, further comprising shifting means for causing a step-wise shift of said plate-shaped member by a constant distance in each step in a direction opposite to a direction of stacking of each paper sheet of said plurality of paper sheets by said stacking means. ### Claim 5 (depends on 1, 2) The bookbinding apparatus according to any one of claims 1 and 2, further comprising a guide plate means for feeding said plurality of paper sheets by sliding each paper sheet of said plurality of paper sheets so that each paper sheet of said plurality of paper sheets can be stacked on said plate-shaped member, and said guide plate means sliding of each sheet of said plurality of paper sheets does not interfere with other parts of said bookbinding apparatus. ### Claim 6 (depends on 1, 2) The bookbinding apparatus according to any one of claims 1 and 2, further comprising fold producing means for producing folds in each paper sheet of said plurality of paper sheets folded in half by said folding means. ### Claim 7 An bookbinding apparatus for back-bonding by folding in half a plurality of paper sheets, each paper sheet of said plurality of paper sheets having a first side, which bears characters thereon, and a second opposed side, which does not bear any characters thereon, said second opposed side of each paper sheet of said plurality of sheets being an outer side such that said plurality of paper sheets, after being folded, are bonded together on said second opposed sides thereof, said apparatus comprising: paper feeding means for successively feeding each paper sheet of said plurality of paper sheets one at a time; folding means for folding each paper sheet of said plurality of paper sheets in half with said second opposed sides of said plurality of paper sheets being said outer side; stacking means for stacking each paper sheet of said plurality of paper sheets, after each sheet of said plurality of paper sheets has been folded, while successively feeding each sheet of said plurality of paper sheets to a predetermined position on a plate-shaped member; adhesive applying means for applying adhesive material to said second opposed sides of each sheet of said plurality of paper sheets fed to said predetermined position; and pressing means for pressing together a plurality of paper sheets which are stacked by said stacking means and adhered with adhesive material by said adhesive applying means, wherein each paper sheet of said plurality of paper sheets is successively bonded together on said second opposed side as each paper sheet of said plurality of paper sheets are fed to said plate-shaped member. ### Claim 8 An bookbinding apparatus for back-bonding by folding in half a plurality of paper sheets, each paper sheet of said plurality of paper sheets having a first side, which bears characters thereon, and a second opposed side, which does not bear any characters thereon, said second opposed side of each paper sheet of said plurality of sheets being an outer side such that said plurality of paper sheets, after being folded, are bonded together on said second opposed sides thereof, said apparatus comprising: paper feeding means for successively feeding each paper sheet of said plurality of paper sheets one at a time; folding means for folding each paper sheet of said plurality of paper sheets fed thereto in half with said second opposed sides of said plurality of paper sheets being said outer side; fold producing means for producing folds in each paper sheet of said plurality of paper sheets, after each paper sheet of said plurality of paper sheets has been folded in half by said folding means; stacking means for stacking each paper sheet of said plurality of paper sheets, after each sheet of said plurality of paper sheets has been folded, while successively feeding each sheet of said plurality of paper sheets to a predetermined position on a plate-shaped member; adhesive applying means for applying adhesive material to said second opposed sides of each sheet of said plurality of paper sheets fed to said predetermined position; and pressing means for pressing a plurality of paper sheets which are stacked by said stacking means and adhered with adhesive material by said adhesive applying means, wherein each paper sheet of said plurality of paper sheets is successively bonded together on said second opposed side as each paper sheet of said plurality of paper sheets are fed to said plate-shaped member. ### Claim 9 An bookbinding apparatus for back-bonding by folding in half a plurality of paper sheets, each paper sheet of said plurality of paper sheets having a first side, which bears characters thereon, and a second opposed side, which does not bear any characters thereon, said second opposed side of each paper sheet of said plurality of sheets being an outer side such that said plurality of paper sheets, after being folded, are bonded together on said second opposed sides thereof, said apparatus comprising: paper feeding means for successively feeding each paper sheet of said plurality of paper sheets; folding means for folding each paper sheet of said plurality of paper sheets fed thereto in half with said second opposed sides of said plurality of paper sheets being said outer side; fold producing means for producing folds in each paper sheet of said plurality of paper sheets, after each paper sheet of said plurality of paper sheets has been folded in half by said folding means; stacking means for stacking each paper sheet of said plurality of paper sheets, after each sheet of said plurality of paper sheets has been folded, while successively feeding each sheet of said plurality of paper sheets to a predetermined position on a plate-shaped member; shifting means for causing a step-wise shift of said plate-shaped member by a constant distance in each step in a direction opposite to a direction of stacking of each paper sheet of said plurality of paper sheets by said stacking means; adhesive applying means for applying adhesive material to said second opposed sides of each sheet of said plurality of paper sheets fed to said predetermined position; and pressing means for pressing a plurality of paper sheets which are stacked by said stacking means and adhered with adhesive material by said adhesive applying means, wherein each paper sheet of said plurality of paper sheets is successively bonded together on said second opposed side as each paper sheet of said plurality of paper sheets are fed to said plate-shaped member. ### Claim 10 An bookbinding apparatus for back-bonding by folding in half a plurality of paper sheets, each paper sheet of said plurality of paper sheets having a first side, which bears characters thereon, and a second opposed side, which does not bear any characters thereon, said second opposed side of each paper sheet of said plurality of sheets being an outer side such that said plurality of paper sheets, after being folded, are bonded together on said second opposed sides thereof, said apparatus comprising: paper feeding means for successively feeding each paper sheet of said plurality of paper sheets one at a time; folding means for folding each paper sheet of said plurality of paper sheets in half with said second opposed sides of said plurality of paper sheets being said outer side; fold producing means for producing folds in each paper sheet of said plurality of paper sheets, after each paper sheet of said plurality of paper sheets has been folded in half by said folding means; a guide plate means for feeding said plurality of paper sheets by sliding each paper sheet of said plurality of paper sheets so that each paper sheet of said plurality of paper sheets can be stacked on said plate-shaped member; stacking means for stacking each paper sheet of said plurality of paper sheets, after each sheet of said plurality of paper sheets has been folded, while successively feeding each sheet of said plurality of paper sheets to a predetermined position on a plate-shaped member; adhesive applying means for applying adhesive material to said second opposed sides of each sheet of said plurality of paper sheets fed to said predetermined position; and pressing means for pressing a plurality of paper sheets which are stacked by said stacking means and adhered with adhesive material by said adhesive applying means, wherein each paper sheet of said plurality of paper sheets is successively bonded together on said second opposed side as each paper sheet of said plurality of paper sheets are fed to said plate-shaped member. ### Claim 11 An bookbinding apparatus for back-bonding by folding in half a plurality of paper sheets, each paper sheet of said plurality of paper sheets having a first side, which bears characters thereon, and a second opposed side, which does not bear any characters thereon, said second opposed side of each paper sheet of said plurality of sheets being an outer side such that said plurality of paper sheets, after being folded, are bonded together on said second opposed sides thereof, said apparatus comprising: paper feeding means for successively feeding each paper sheet of said plurality of paper sheets one at a time; folding means for folding each paper sheet of said plurality of paper sheets fed thereto in half with said second opposed sides of said plurality of paper sheets being said outer side; fold producing means for producing folds in each paper sheet of said plurality of paper sheets, after each paper sheet of said plurality of paper sheets has been folded in half by said folding means; a guide plate means for feeding said plurality of paper sheets by sliding each paper sheet of said plurality of paper sheets so that each paper sheet of said plurality of paper sheets can be stacked on said plate-shaped member; stacking means for stacking each paper sheet of said plurality of paper sheets, after each sheet of said plurality of paper sheets has been folded, while successively feeding each sheet of said plurality of paper sheets to a predetermined position on a plate-shaped member; and shifting means for causing a step-wise shift of said plate-shaped member by a constant distance in each step in a direction opposite to a direction of stacking of each paper sheet of said plurality of paper sheets by said stacking means; adhesive applying means for applying adhesive material to said second opposed sides of each sheet of said plurality of paper sheets fed to said predetermined position; and pressing means for pressing a plurality of paper sheets which are stacked by said stacking means and adhered with adhesive material by said adhesive applying means, wherein each paper sheet of said plurality of paper sheets is successively bonded together on said second opposed side as each paper sheet of said plurality of paper sheets are fed to said plate-shaped member. ### Claim 12 A process of back-bonding bookbinding by folding in half each paper sheet of a plurality of paper sheets having a first side which bears characters thereon and a second opposed side which does not bear any characters thereon, said second opposed side being an outer side and bonding together said second opposed sides of said plurality of paper sheets, comprising the steps of: folding each paper sheet of said plurality of paper sheets in half with said second opposed sides as said outer side with folding means; applying adhesive to said second opposed sides of said paper sheets with adhesive applying means, after said plurality of paper sheets have been folded; pressing together said wrong sides of said plurality of paper sheets, after said plurality of paper sheets have been folded and had adhesive applied; feeding said plurality of paper sheets to a predetermined position on a plate-shaped member; and stacking said plurality of paper sheets with stacking means. ### Claim 13 (depends on 12) The process of bookbinding according to claim 12, further comprising the step of shifting said plate-shaped member step-wise by a constant distance in each step in a direction opposite to a direction of stacking said plurality of paper sheets by said stacking means. ### Claim 14 (depends on 13) The process of bookbinding according to claim 13, wherein during said shifting step a guide plate is shifted so as not to interfere with other parts of a bookbinding apparatus in said bookbinding process, and each of said paper sheets of said plurality of paper sheets are fed by being slid on said guide plate in order to be stacked on said plate-like member. ### Claim 15 (depends on 3) The bookbinding apparatus according to claim 3, further comprising shifting means for causing a step-wise shift of said plate-shaped member by a constant distance in each step in a direction opposite to a direction of stacking said plurality of paper sheets by said stacking means. ### Claim 16 (depends on 3) The bookbinding apparatus according to claim 3, further comprising a guide plate means for feeding said plurality of paper sheets by sliding each paper sheet of said plurality of paper sheets so that said plurality of paper sheets can be stacked on said plate-shaped member, and said sliding of said plurality of paper sheets by said guide plate means does not interfere with other parts of said bookbinding apparatus. ### Claim 17 (depends on 4) The bookbinding apparatus according to claim 4, further comprising a guide plate means for feeding said plurality of paper sheets by sliding each paper sheet of said plurality of paper sheets so that said plurality of paper sheets can be stacked on said plate-shaped member, and said sliding of said plurality of paper sheets by said guide plate means does not interfere with other parts of said bookbinding apparatus. ### Claim 18 (depends on 3) The bookbinding apparatus according to claim 3, further comprising folding means for folding each paper sheet of said plurality of paper sheets in half. ### Claim 19 (depends on 4) The bookbinding apparatus according to claim 4, further comprising folding means for folding each paper sheet of said plurality of paper sheets in half. ### Claim 20 (depends on 5) The bookbinding apparatus according to claim 5, further comprising folding means for folding each paper sheet of said plurality of paper sheets in half.