The device disclosed herein is a device for performing binding functions such as stapling, hole punching, and comb binding. The device includes a housing, lid, slots for receiving sheets of material to be operated on by the punching and biding assemblies of the device. The device includes a lid to close off or inactivate portions or functions of the device and direct or guide the operator to the proper function or assembly to use for the operation. The device further includes an actuator that selectively operates functional assemblies of the device. The device may further include a moveable guide to selectively offset the punching assembly when larger dimensional covers are punched. The device may also include punching die assemblies that are easily moved and aligned from one position to another.

A binding component holding sheet is configured to detachably hold a binding component obtained by spirally winding a wire rod and includes a holder configured to hold the binding component by insertion of a circumferential portion of the spirally wound binding component. The holder is configured to hold the binding component so that an area greater than a half of the binding component in a circumferential direction protrudes to one side of the binding component holding sheet and an area less than the half of the binding component in the circumferential direction protrudes to the other side of the binding component holding sheet.

A binding component includes ring back portions, first ring arm portions, second ring arm portions and a back part to which the ring back portions are connected. Each ring back portion, each first ring arm portion and each second ring arm portion forms an annular ring part. Each ring part includes fitting portions at places where the ring back portion and the first and second ring arm portions are connected. The fitting portions are configured to be fitted by an operation of opening and closing the first and second ring arm portions with hinge portions of the ring back portion. Each fitting portion includes at least one first fitting convex portion, at least one first fitting concave portion to engage with the first fitting convex portion, at least one second fitting convex portion and a second fitting concave portion to engage with the second fitting convex portion.

An image forming apparatus including: a printer; a puncher configured to punch the sheet printed by the printer; a binder configured to perform a bookbinding process to form a bound product in which a binding member penetrates punch holes of sheets; a first detector configured to detect a first jam of a sheet in the binder; a second detector configured to detect a second jam of a sheet which occurs upstream of the binder; an annunciator configured to notify information; and a controller configured to cause the annunciator to notify first instruction information for instructing removal of a sheet and the binding member, when the first detector has detected the first jam; and cause the annunciator to notify second instruction information for instructing removal of the second jam when the second detector has detected the second jam and the first detector has not detected the first jam.

Particularly, proposed is a manufacturing method for a paper-made binding comb. The manufacturing method includes: providing a combined roll paper in which an inner roll paper and an outer roll paper are combined at a low-temperature by a low-temperature-sensitive molding material therebetween, the inner roll paper and the outer roll paper, each having a first side surface coated with a high-temperature-sensitive bonding material; slitting the combined roll paper at a predetermined width, and cutting the slitted roll paper such that the slitted roll paper has a comb part and a comb-connecting part, thereby forming a flat comb-shaped paper-binding piece; raising a temperature to the low-temperature such that only the low-temperature-sensitive molding material is melted; and transferring the flat comb-shaped paper-binding piece to a molding apparatus and molding the flat comb-shaped paper-binding piece into a cylindrical shape.

To allow ring bodies of a ring made of resin or paper to be accurately inserted and to penetrate binding holes of sheets when manufacturing a ring notebook, a ring threading device includes a placement table on which sheets are placed, a positioning jig having a guide roller and nip rollers, and a ring moving mechanism. The positioning jig is a jig for holding a plurality of the ring bodies while maintaining intervals between the ring bodies. The ring moving mechanism is a mechanism for allowing the ring bodies held by the positioning jig to penetrate the binding holes.

Particularly, proposed is a manufacturing method for a paper-made binding comb. The manufacturing method includes: providing a combined roll paper in which an inner roll paper and an outer roll paper are combined at a low-temperature by a low-temperature-sensitive molding material therebetween, the inner roll paper and the outer roll paper, each having a first side surface coated with a high-temperature-sensitive bonding material; slitting the combined roll paper at a predetermined width, and cutting the slitted roll paper such that the slitted roll paper has a comb part and a comb-connecting part, thereby forming a flat comb-shaped paper-binding piece; raising a temperature to the low-temperature such that only the low-temperature-sensitive molding material is melted; and transferring the flat comb-shaped paper-binding piece to a molding apparatus and molding the flat comb-shaped paper-binding piece into a cylindrical shape.