Abstract: A sheet is intermittently advanced or alternately advanced and retreated by a pair of feed rollers in synchronization with rotation of a pair of magnet and anvil rollers so that the pair of magnet and anvil rollers makes two or more revolutions while the sheet passes through the pair of magnet and anvil rollers. The punching of the same pattern is performed by a flexible die at a plurality of areas of the sheet spaced in a sheet conveying direction.

Abstract: Each pair of bearing units for each of magnet and anvil rollers are movable in a vertical direction. Each of large diameter portions of the anvil roller is supported by a pair of support rollers. Each of large diameter portions of the magnet roller is pressed against the corresponding large diameter portion of the anvil roller by a pair of press rollers. Each stopper is moved between a first position in which it projects into a clearance between vertically opposed bearing units and a second position in which it retracts from the first position. When the stoppers are located at the first position, the opposed large diameter portions of the magnet and anvil rollers separate from each other, and when the stoppers are located at the second position, the opposed large diameter portions of the magnet and anvil rollers contact with each other.

Abstract: Movable guides are moved in vertical direction by guide drive units between a retreating position and a protruding position. A setting section is provided for setting a contact start point on a sheet and a contact end point on the sheet. The movable guides are moved between the retreating position and the protruding position so as to keep contact with an area of the sheet from the contact start point to the contact end point while a product separated from the sheet is conveyed from a first conveying unit to a second conveying unit.

Abstract: Each pair of bearing units for each of magnet and anvil rollers are movable in a vertical direction. Each of large diameter portions of the anvil roller is supported by a pair of support rollers. Each of large diameter portions of the magnet roller is pressed against the corresponding large diameter portion of the anvil roller by a pair of press rollers. Each stopper is moved between a first position in which it projects into a clearance between vertically opposed bearing units and a second position in which it retracts from the first position. When the stoppers are located at the first position, the opposed large diameter portions of the magnet and anvil rollers separate from each other, and when the stoppers are located at the second position, the opposed large diameter portions of the magnet and anvil rollers contact with each other.

Abstract: The movable guides 21 are moved in vertical direction by the guide drive units 22 between a retreating position and a protruding position. The setting section 29 is provided for setting a contact start point on the sheet and a contact end point on the sheet S. The movable guides 21 are moved between the retreating position and the protruding position so as to keep contacting with an area of the sheet S from the contact start point to the contact end point while the sheet S is conveyed from the first conveying unit 15 to the second conveying unit 16.

Abstract: A sheet S is intermittently advanced or alternately advanced and retreated by a pair of feed rollers 23a, 23b in synchronization with rotation of a pair of magnet and anvil rollers 16, 17 so that the pair of magnet and anvil rollers 16, 17 makes two or more revolutions while the sheet S passes through the pair of magnet and anvil rollers 16, 17. The punching of the same pattern is performed by a flexible die 29 at a plurality of areas of the sheet S spaced in a sheet conveying direction.

Abstract: A top edge trimming cutter, a bottom edge trimming cutter and a front edge trimming cutter are arranged to have predetermined distances from one another so as not to cause mechanical interference. The top edge trimming cutter, a first table element, a first blade receiving plate and a first pressing plate pressing a bound material against the first table element are attached to a first frame element. The bottom edge trimming cutter, a second table element, a second blade receiving plate and a second pressing plate pressing the bound material against the second table element are attached to a second frame element. Relative movement of the first and second frame elements effects relative movement of the top edge trimming cutter and the bottom edge trimming cutter, relative movement of corresponding first and second blade receiving plates and relative movement of corresponding first and second pressing plates.

Abstract: A top edge trimming cutter (11), a bottom edge trimming cutter (12) and a front edge trimming cutter (13) are arranged to have predetermined distances from one another so as not to cause mechanical interference. A frame consists of first and second frame elements (19, 20) movable relatively to each other along the direction of movement of the top edge trimming cutter (11) and the bottom edge trimming cutter (12), and a stationary third frame element (21). The top edge trimming cutter, a first table element (16), a first blade receiving plate (16a) and a first pressing plate (15a) pressing a bound material (27) against the first table element are attached to the first frame element. The bottom edge trimming cutter, a second table element (17), a second blade receiving plate (17a) and a second pressing plate (15b) pressing the bound material against the second table element are attached to the second frame element.