Apparatus for and process of bookbinding

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.

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.

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.

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.

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.

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.