JP2000226066A - Sheet for packing photoreceptor and packing method for photoreceptor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To impart the function of preventing natural separation with no securing members, prevent the occurrence of a surface defect during the handling of a photoreceptor, and facilitate detachment, by forming a wrap-locking part by an incision into a sheet for packing which is wrapped round the photoreceptor. SOLUTION: A sheet for packing a photoreceptor is formed by providing as a pair an incision 1 in the direction of the width of the sheet and an insertion 2 which is inserted into the incision 1. After the sheet is wrapped round the photoreceptor, the insertion 2 is inserted into the incision 1 from inside, thereby keeping the wrapped state of the sheet by a frictional force. In the case, it is preferable that the leading end of the insertion 2 be formed slightly shorter than the length of the incision 1 in order to facilitate an inserting process. Also, after inserted in the incision 1, the insertion 2 is bent to form a catch, and the insertion 2 is thereby prevented from being separated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photoreceptor packaging sheet (hereinafter referred to as a "photoreceptor packaging sheet") used for protecting a photoreceptor for a cylindrical electrophotographic device mounted on an electrophotographic application product such as a copying machine, a printer, a facsimile or the like. (Simply called "sheet")
And a method of packing the photoconductor (hereinafter, also simply referred to as “packing method”).

[0002]

2. Description of the Related Art Generally, when handling a photoreceptor mounted on an electrophotographic application apparatus, it is necessary to protect the photoreceptor from unnecessary light exposure and surface state change in order to maintain performance. For this reason, the photoreceptor may be shipped around a sheet for protecting the photoreceptor from light, scratches, dirt and the like. Conventionally, an adhesive has been used to prevent the wound sheet from peeling off from the photoreceptor, and an adhesive tape has generally been applied and fixed.

[0003]

However, the conventional method using a pressure-sensitive adhesive tape or the like has a problem that the pressure-sensitive adhesive tends to adhere to the surface of the photoreceptor. Such a problem can easily occur when using the photoreceptor, even when the adhesive is slightly contacted when the sheet is removed or when the adhesive is indirectly contacted when packing.

[0004] The surface quality of a photoreceptor is an important factor influencing its performance, and when an adhesive adheres to the surface of a photoreceptor, a defect occurs in an image. Therefore, when the photoreceptor is packed by using the above method, it is necessary to pay sufficient attention to the method of removing the sheet, the position and direction of sticking the adhesive tape, and the selection of the adhesive.

Further, the sheet to be wound around the photoreceptor is required to protect the photoreceptor, not to be spontaneously peeled off, and to be easily detached when necessary. For this reason, prior evaluation was required for the adhesive strength of the adhesive.

Further, the method of fixing a sheet using an adhesive tape or the like has a problem that when automatic packaging of the photoconductor is performed, the equipment becomes complicated and the number of packaging steps is increased.

In view of the above, an object of the present invention is to provide a sheet wrapped around a photoconductor for protection.
It has a mechanism that does not peel off naturally without using any fastening members, prevents the occurrence of surface defects when handling the photoconductor, and can be easily removed, further reducing automation and man-hours Another object of the present invention is to provide a photoreceptor packaging sheet that contributes to the above.

Another object of the present invention is to provide a method for packing a photoconductor, which does not bring an adhesive substance into contact with the photoconductor when packing or unpacking the photoconductor, thereby contributing to automation and man-hours. To provide.

[0009]

In order to solve the above-mentioned problems, a photoreceptor packing sheet of the present invention is used for winding a photoreceptor packing sheet to be used by being wound around a cylindrical electrophotographic photoreceptor. A stop portion is formed.

In the photoreceptor packaging sheet of the present invention,
It is preferable that one or more cutouts in the sheet width direction and a pair of inserts inserted into the cutouts are provided as a pair of cuts forming such a winding locking portion.

It is preferable that a pair of cut portions are provided alternately in the sheet width direction as the cuts.

Further, as the cut, a pair of cuts in the longitudinal direction of the sheet and a pair of cuts formed between the cuts by a pair of cuts provided in the sheet width direction and having an equal length are provided. It is also preferable that one or more portions are provided at both ends in the sheet width direction.

Further, as the notch, a notch hole, and a hook portion formed by notching an insertion portion inserted into the notch hole are formed in the sheet width direction.
It is also preferable that at least one location is provided in a pair, and more preferably, on the end side than the cut hole,
A bent portion bent along a bending line in the sheet width direction is provided over the entire width.

Further, another photoreceptor packaging sheet according to the present invention is a photoreceptor packaging sheet provided with bent portions at both ends in the sheet longitudinal direction, wherein the bent portion is one of the sheet longitudinal end portions. In the above, the bending line is provided over the entire width in the width direction, and at the other end in the sheet longitudinal direction, a pair of protrusions provided at both ends in the sheet width direction are provided along the sheet edge. It is characterized by the following.

Further, still another photoreceptor packaging sheet according to the present invention is characterized in that bent portions are provided at both end portions in the sheet width direction, with the bent width being inclined along the longitudinal direction of the sheet. Things.

In order to solve the above-mentioned problems, the present invention provides a method for packing a photoreceptor, comprising: sequentially winding a packing sheet and a cushioning material around a cylindrical electrophotographic photoreceptor; It is characterized by fastening with an adhesive.

Further, in another packing method for a photoreceptor of the present invention, after a packing sheet is wound around the photoreceptor, the photoreceptor is inscribed in each of the fractions partitioned by the cushioning material. It is characterized by being inserted in such a way.

Still another method of packing a photoreceptor of the present invention is such that, after winding a packing sheet around a photoreceptor, both ends of the photoreceptor are formed into shapes that engage with the ends of the photoreceptor. It is characterized in that it is sandwiched and fixed by a pair of two buffer materials.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the photosensitive member packing sheet of the present invention will be described in detail using examples. In the photoreceptor packing sheet of the present invention, the winding locking portion is formed by cutting, and the photoreceptor can be packed without using an auxiliary member such as an adhesive. In addition, since no auxiliary member is used, it contributes to automation of work and man-hour.

The cuts forming the winding locking portion include cuts, cut holes, and inserts (including cuts provided as protrusions at the sheet end by cuts) and hooks in which the inserts are formed by cuts. Although an auxiliary member is not required, any structure may be used as long as the locking portion can be formed as long as the winding state can be maintained only by the sheet itself without using an auxiliary member. In addition, the wrapping and locking portion can be formed only by bending together with the bending.

The shape of the sheet of the present invention is not limited to a general rectangular shape, but may be any suitable shape for forming the winding locking portion. Further, as the material of the sheet, a conventionally used material such as paper or resin can be used.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the photoreceptor packaging sheet of the present invention will be described below with reference to Examples 1 to 6. Embodiment 1 In FIG. 1, a pair of a cutout hole 1 in the sheet width direction and a insertion portion 2 inserted into the cutout hole 1 as a first example of a sheet for packing a photoreceptor of the present invention are provided. 3 shows a sheet for packaging a photoreceptor. In the figure, (a) shows the shape of the sheet, and (b) shows the state when the sheet is wound.

After winding the sheet of the present invention around the photoreceptor,
As shown in FIG. 1B, by inserting the insertion portion 2 from the inside to the outside of the cut hole 1, the wound state of the sheet is maintained by the frictional force. At this time, it is preferable that the tip of the insertion portion 2 is formed slightly shorter than the length of the cut hole 1. By doing so, the insertion process can be easily performed. Further, after the insertion portion 2 is inserted into the notch hole 1, the insertion portion 2 is bent to form a catch, thereby preventing the insertion portion 2 from being detached.

It is to be noted that the pair of cut holes and the insertion portions are not limited to one location, but may be provided at any appropriate locations. Further, the shape, size, and the like of the cut hole and the insertion portion can be appropriately selected.

Embodiment 2 FIG. 2 shows a second embodiment of the photoconductor packing sheet of the present invention, in which a pair of cut portions 3 and 4 are provided alternately in the sheet width direction. Is shown. In the figure, (a) shows the shape of the sheet, and (b) shows the state when the sheet is wound.

After winding the sheet of the present invention around the photoreceptor,
As shown in FIG. 2B, when the cut 3 and the cut 4 intersect at the tip of the cut, they are caught at the tip of the cut so that the wound state of the sheet is maintained.

Embodiment 3 FIG. 3 shows a photoconductor packing sheet according to a third embodiment of the present invention, in which a notch hole 5 in the longitudinal direction of the sheet and a pair of equal length holes provided in the sheet width direction are provided. A pair of the insertion portions 6 formed between the cut portions 7 by the cut portions 7 are provided, one at each of both ends in the sheet width direction. In the figure, (a) shows the shape of the sheet, and (b) shows the state when the sheet is wound.

After winding the sheet of the present invention around the photoreceptor,
Once the bent insertion portions 6 are inserted into the cut holes 5 from the inside to the outside, respectively, as shown in FIG. 3 (b), the wound state of the sheet is maintained by the catch. In addition, by returning the bent portion of the insertion portion 6 to its original position after the insertion, the force for maintaining the locked state is improved.

Embodiment 4 FIG. 4 shows a photoconductor packaging sheet according to a fourth embodiment of the present invention, in which a cutout hole 9 and a hook portion formed by cutting into a cutout portion to be inserted into the cutout hole 9 are shown. 8 are provided in a pair in the sheet width direction, and a bent portion 10 bent along a bending line in the sheet width direction is provided on the end side of the cut hole 9 over the entire width. . In the figure, (a) shows the shape of the sheet, and (b) shows the state when the sheet is wound.

The hook portion refers to a portion of the sheet in which a part of the sheet is cut out to form an insertion portion, and the tip of the insertion portion is provided toward the center of the sheet as shown.

After the sheet of the present invention is tightly wound around the photoreceptor, the winding is loosened while pushing the hook portion 8 inward, and the hook portion 8 is hooked into the cutout hole 9 from the outside. As shown in b), such a hook keeps the sheet wound.

In the sheet, a bent portion 10 is formed at an end as shown in FIG.
By forming the hook locking portion in a state where 0 is bent inward, the hook locking state can be further strengthened by the elastic resistance of the bent end portion.

Further, the sheet shown in FIG.
It is a modification of the sheet of (a). Providing a plurality of cut holes 9 and hook portions 8 can further stabilize the hooking and locking state. Further, each of the plurality of hook portions 8 is provided with a slight inclination so that the closer to the center portion in the sheet width direction, the closer to the center portion in the sheet longitudinal direction. Can be tightened more. Such an inclination is formed, for example, by providing a step of about 2 mm in the longitudinal direction of the sheet between adjacent hook portions.

Embodiment 5 FIG. 6 shows a fifth embodiment of a sheet for packing a photoreceptor of the present invention, in which a bent portion 12 is provided over the entire width at one sheet longitudinal end, and the other is provided. At the end in the sheet longitudinal direction, the folded portion 11 is a photoconductor packing sheet provided with a pair of protrusions at both ends in the sheet width direction along the sheet edge. In the figure, (a) shows the shape of the sheet, and (b) shows the state when the sheet is wound.

After winding the sheet of the present invention around the photoreceptor,
As shown in FIG. 6B, the bent portion 11 is bent outward so that the overlapping portion of the sheet is sandwiched from both ends in the sheet width direction. Furthermore, the folded state of the sheet is maintained by bending the bent portion 12 outward and hooking the bent portion 11.

The width, length, position, and the like of the bent portion 11 and the bent width, shape, and the like of the bent portion 12 can be appropriately selected as appropriate.

Further, the sheet shown in FIG.
It is a modification of the sheet of (a). By forming one corner of the rectangular sheet in an inclined shape, the length of the bent portion 12 formed at one sheet longitudinal end is shortened, and the bent portion 11 is separated from the other sheet longitudinal end. It is provided at a slightly distant position.

When this sheet is wrapped around the photoreceptor to form a wrap-locking portion in the same manner as in the case of the sheet in FIG. 6, the bent portion 11a at the upper end of the sheet is caught by the bent portion 12 and the bent portion at the lower end of the sheet 11b is engaged with the lower end of the inclined portion. That is, the inclined portion formed on the sheet goes around the outer periphery of the photoreceptor, and becomes a bent portion 11 at the upper end and the lower end, and a bent portion 12 at the winding end of the sheet.
In addition, by being engaged with each other, the sheet can more firmly tighten the photosensitive member, and the wound and locked state can be stabilized.

Embodiment 6 FIG. 8 shows a sixth embodiment of a sheet for packing a photoreceptor according to the present invention, in which the bending width is inclined at both ends in the sheet width direction along the sheet longitudinal direction. Reference numeral 13 denotes a sheet for packaging a photoreceptor. In the figure, (a) shows the shape of the sheet, and (b) shows the state when the sheet is wound.

In the sheet of the present invention shown in FIG. 8 (a), the bending width is inclined such that the width of one sheet longitudinal end 14 is slightly smaller than the width of the other sheet longitudinal end 15. Thus, a bent portion 13 is provided.
After winding the sheet of the present invention around the photoreceptor, FIG.
As shown in the middle (b), by inserting the narrow end portion 14 in the longitudinal direction of the sheet into the bent portions 13 at both ends of the other end portion 15 in the longitudinal direction, the sheet is wound by the frictional force of the inserted portion. The state is maintained. In this case, the width of the bent portion 13 can be appropriately selected according to the length of the photoconductor.

The sheets for packing the photoreceptor of the present invention shown in FIGS. 1, 5, 6 and 8 can be adjusted in the strength for tightening the photoreceptor and have a certain size. This is preferable in that different photoconductors can be shared. More preferably, the thing of FIG. 5 can be mentioned in terms of the best tightening.

Next, a method for packing the photoconductor of the present invention will be described. According to the present method, by using the packing sheet and the cushioning material together, the cushioning material maintains the wound state of the sheet wound around the photoreceptor. No adhesive adheres to the body surface. In addition, the reduction in the number of parts can contribute to man-hours for sheet winding work and automation of work.

As the buffer material used in combination in the present method,
The material and shape are not particularly limited as long as the wound state of the sheet can be maintained without adhering the adhesive to the sheet or the photoconductor. Hereinafter, a preferred embodiment of the packing method of the present invention will be described based on Example 7.

Embodiment 7 FIG. 9 shows an example of a method for packing a photoreceptor of the present invention. After a packing sheet 17 and a cushioning material 18 are sequentially wound around a photoreceptor 16, only the cushioning material 18 is used. Adhesive tape 19
Fasten with. Therefore, the packing sheet 17 and the photoconductor 1
The wound state is maintained without adhering the pressure-sensitive adhesive to 6.
FIGS. 10 and 11 show a modification of the packing method of FIG. 9, which is a packing method that does not use an adhesive tape because the wound state can be maintained only by holding down the cushioning material.

In the packing method shown in FIG. 10, a packing sheet 17 is wrapped around the photoconductor 16 and inserted into each of the fractions partitioned by the cushioning material 20 so that the photoconductor 16 is inscribed in the cushioning material 20. I do. Further, in the packing method shown in FIG. 11, after winding the packing sheet 17 around the photoconductor 16, both ends of the photoconductor 16 are formed into a shape to be engaged with the ends, and a pair of two parts is formed. Each is clamped and fixed by the cushioning material 21. Whichever method is used, the wound state can be maintained only with the cushioning material without using an adhesive such as an adhesive tape.

[0046]

According to the photoreceptor packaging sheet of the present invention,
When the sheet is wound around the photoreceptor or when the sheet is removed when the photoreceptor is used, the adhesive does not adhere to the surface of the photoreceptor, and the image does not have any defect. Further, since no auxiliary member is used to fasten the sheet, it is easy to remove the sheet, and it is also possible to wind the sheet again when necessary. Furthermore, according to the packing method of the present invention, when the photoreceptor is packed or unpacked, the adhesive substance is not brought into contact with the photoreceptor, and the number of parts is reduced, and the number of man-hours for winding the sheet, It can also contribute to automation of work.

[Brief description of the drawings]

FIG. 1A is a plan view showing a shape of a photoconductor packing sheet according to a first embodiment of the present invention, and FIG. 1B is a perspective view showing a state when the sheet is wound.

FIG. 2A is a plan view showing a shape of a photoconductor packing sheet according to a second embodiment of the present invention, and FIG. 2B is a perspective view showing a state when the sheet is wound.

FIG. 3A is a plan view showing a shape of a photoconductor packing sheet according to a third embodiment of the present invention, and FIG. 3B is a perspective view showing a state when the sheet is wound.

FIG. 4A is a plan view showing a shape of a photoconductor packing sheet according to a fourth embodiment of the present invention, and FIG. 4B is a perspective view showing a state when the sheet is wound.

FIG. 5A is a plan view showing a shape of a photoconductor packing sheet according to a modified example of the fourth example of the present invention.

FIG. 6A is a plan view showing a shape of a photoconductor packing sheet according to a fifth embodiment of the present invention, and FIG. 6B is a perspective view showing a state when the sheet is wound.

FIG. 7A is a plan view showing a shape of a photoconductor packing sheet according to a modified example of the fifth example of the present invention.

FIG. 8A is a plan view showing a shape of a photoconductor packaging sheet according to a sixth embodiment of the present invention, and FIG. 8B is a perspective view showing a state when the sheet is wound.

FIG. 9 is an explanatory view showing one example of a method for packing a photoreceptor of the present invention.

FIG. 10 is an explanatory view showing another example of the method for packing a photoreceptor of the present invention.

FIG. 11 is an explanatory view showing still another example of the method for packing a photoconductor of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Notch hole 2 Insert part 3 Notch part 4 Notch part 5 Notch hole 6 Insert part 7 Notch part 8 Hook part 9 Notch hole 10 Bend part 11, 11a, 11b Bend part 12 Bend part 13 Bend part 14 Sheet longitudinal end 15 Sheet longitudinal direction end 16 Photoconductor 17 Packing sheet 18 Buffer material 19 Adhesive tape 20 Buffer material 21 Buffer material

Claims (11)

[Claims] 1. A photoreceptor packaging sheet that is used by being wound around a cylindrical electrophotographic photoreceptor, wherein a winding locking portion is formed by cutting. 2. The photoreceptor packaging sheet according to claim 1, wherein, as the notch, a pair of a notch hole in a sheet width direction and a pair of insertion portions inserted into the notch hole are provided. 3. A notch, wherein a pair of notches are provided alternately in a sheet width direction.
The sheet for packing a photoreceptor according to the above. 4. As the notch, a pair of notches formed in the sheet longitudinal direction and a pair of notches formed in the sheet width direction and formed by a pair of notches having an equal length, 2. The photoreceptor packaging sheet according to claim 1, wherein one or more locations are provided at both ends in the sheet width direction. 5. A pair of at least one cut-out hole and a hook portion formed by cutting into a cut-out portion to be inserted into the cut-out hole are provided in the sheet width direction. 2. The sheet for packaging a photoreceptor according to 1. 6. A bent portion, which is bent along a folding line in a sheet width direction, is provided at an end portion in the longitudinal direction of the sheet provided with the cut hole, on an end side of the cut hole, over the entire width. A sheet for packaging a photoreceptor according to claim 5. 7. A photoreceptor packing sheet used by being wound around a cylindrical electrophotographic photoreceptor, wherein the bent portion is provided at both ends in the sheet longitudinal direction, wherein the bent portion is: At one sheet longitudinal end, a bending line is provided over the entire width in the width direction, and at the other sheet longitudinal direction end, a pair of protrusions provided at both ends in the sheet width direction are provided with a sheet edge. A sheet for packing a photoreceptor, provided along the line. 8. A photoreceptor packaging sheet used by being wound around a photoreceptor for cylindrical electrophotography, wherein bent portions are provided at both end portions in the sheet width direction so that a bending width is inclined along a longitudinal direction of the sheet. A sheet for packing a photoreceptor. 9. A method for packing a photoconductor, comprising: sequentially winding a packing sheet and a cushioning material around a cylindrical photoconductor for electrophotography, and fixing only the cushioning material with an adhesive. 10. A method of packing a photoconductor for cylindrical electrophotography, comprising: wrapping a packing sheet around the photoconductor, and then separating the photoconductor into each of the fractions partitioned by a buffer. A method of packing a photoconductor, wherein the photoconductor is inserted so as to be inscribed. 11. A method for packing a photoconductor for cylindrical electrophotography, wherein after wrapping a packing sheet around the photoconductor, both ends of the photoconductor are formed into shapes that engage with the ends of the photoconductor. A method for packing a photoreceptor, wherein the photoreceptor is sandwiched and fixed by a pair of two cushioning members.