TWM508768U - Paper tube for tape winding - Google Patents

Description

Belt winding paper tube

The present invention relates to the winding of a long continuous belt, and more particularly to a belt winding paper tube which can be used as a reel when the belt is wound.

The transfer film, the light guide plate and the like are mainly processed by processing the long continuous belt body formed by the resin, and then cutting according to the required size. After the belt body is formed, the paper tube is used as a reel. The belt is wound around the outer circumference of the paper tube to facilitate the storage, transportation and subsequent processing of the belt.

A conventional seamless paper tube for winding the aforementioned belt body is disclosed in the publication No. 377875, wherein the paper tube comprises an inner tube and an outer tube, wherein the inner tube is of one to several The first paper tape layer is formed by winding a second paper tape wrapped around the outer circumference of the inner tube, and the second paper tape is formed with a first chamfer and a second chamfer at the two ends, respectively. The two chamfers cooperate with the first chamfer to form a relatively complementary state, and the outer peripheral surface of the outer tube is in a state of no groove or embossing.

When the strip is to be wound around the paper tube, the end of the strip is first attached to the outer peripheral surface of the paper tube, and then the strip layer is wound around the paper tube along the tangential direction of the paper tube, and the strip is wound. In the middle, it is necessary to apply an appropriate pulling force to the belt body, so that the belt body is in an appropriate stretch state, and the winding state of the belt body is stabilized, thereby avoiding accidents in which the belt body is scattered during subsequent handling or processing.

The belt system resin material is formed. When the belt layer is wound, one end of the belt body attached to the surface of the paper tube forms a convex shape on the surface of the paper tube, and when the belt body is wound, the belt body protrudes from the paper tube. The end portion of the surface contacts the surface of the strip attached to the outer periphery of the end portion for subsequent winding to form a local relative force, and the local relative force easily causes damage to the surface of the strip which is subsequently wound and contacts the end portion. The indentation is formed, and the relative force is not only damaged to the surface of the strip directly contacting the end portion, but also the surface of the strip which is subsequently wound on the outer circumference is affected, and the thickness of the strip is thinner, the end portion is thinner. The more the number of laps that cause damage, the part of the surface damage that will be difficult to reuse.

The main object of the present invention is to provide a paper tube for winding a body for use as a reel for winding a belt.

The present invention relates to a belt winding paper tube comprising a main pipe and an outer layer, wherein the main pipe is a circular pipe body formed by winding a paper tape layer, and the outer layer is a long belt body composed of paper materials, and the outer layer is along the outer layer. The circular tangential direction of the main pipe is wrapped around the outer circumference of the main pipe, the outer end is a first end, and the other end is a second end. The first end is adjacent to the second end, and the outer layer forms a slope on the outer circumference, and one end of the inclined surface is at the first end. And the thickness of the outer layer on the slope portion is increased from the first end to the second end.

When the belt is wound around the outer circumference of the paper tube, the portion of the belt attached to the outer layer is smooth, and the surface of the belt does not cause damage such as indentation, and the belt body can be fully utilized.

(10) ‧ ‧ Director

(20) ‧‧‧ outer layer

(22) ‧ ‧ first end

(24) ‧‧‧ second end

(26)‧‧‧Bevel

(90) ‧‧‧Band

(92) ‧ ‧ end

The first figure is a partially enlarged schematic view of the end face of the present embodiment.

The second figure is a schematic diagram of the state of use of the present embodiment.

As shown in the first figure, the embodiment of the present paper winding paper tube comprises a main pipe (10) and an outer layer (20), wherein the main pipe (10) is composed of one to several paper tape layers. The circular tube body is wound up, the outer layer (20) is an elongated strip body composed of paper, and the outer layer (20) is wrapped around the outer circumference of the main pipe (10) along the circular tangential direction of the main pipe (10), and the outer layer (20) One end is a first end (22) and the other end is a second end (24), the first end (22) is adjacent to the second end (24), and the outer layer (20) forms a slope (26) on the outer circumference, the slope One end of (26) is located at the first end (22), and the thickness of the outer portion (20) of the bevel (26) portion is increased from the first end (22) toward the second end (24).

As shown in the second figure, when the resin-formed elongated continuous belt body (90) is wound around the outer circumference of the foregoing embodiment, the end portion (92) of one end of the belt body (90) abuts against the inclined surface (26), and The second end (24) abuts, and then the layer (90) is wound in a circular tangential direction of the main pipe (10), and the belt (90) is guided by the formation of the inclined surface (26). The action is such that the portion of the strip (90) that is attached to the outer layer (20) exhibits a smooth state, and the end portion (92) does not contact the strip that is subsequently wound and attached to the outer periphery of the end portion (92) ( 90) The surface forms a local relative force. According to this, the paper tube of the present invention is used as a reel having a high surface quality requirement (90), and the surface of the belt body (90) does not cause indentation or the like. Damage, the belt (90) can be fully utilized.

(10) ‧ ‧ Director

(20) ‧‧‧ outer layer

(22) ‧ ‧ first end

(24) ‧‧‧ second end

(26)‧‧‧Bevel

Claims (1)

The utility model relates to a paper tube for winding a belt, comprising a main pipe and an outer layer, wherein the main pipe is a circular pipe body formed by winding a paper tape layer, the outer layer is a long belt body composed of paper materials, and the outer layer is along a circle of the main pipe. The tangential direction is wrapped around the outer circumference of the main tube, the outer end is a first end, and the other end is a second end. The first end is adjacent to the second end, and the outer layer forms a slope on the outer circumference. One end of the slope is at the first end, and the outer layer is The thickness of the bevel portion is increased from the first end to the second end.