Center extraction type roll paper and processing method thereof

By setting a support airbag inside the hollow cavity of the paper roll, the problems of difficulty in removing the central paper tube and high production costs are solved, realizing simple and low-cost paper roll center extraction.

CN121180801APending Publication Date: 2025-12-23JUNLI TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202410812702.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-06-22
Publication Date
2025-12-23

AI Technical Summary

Technical Problem

The existing paper roll has the problem of being difficult to remove the central paper tube and having high production costs.

Method used

A hollow cavity support air bladder replaces the central paper tube. The support air bladder prevents the paper towel from collapsing, and the gas pressure inside the air bladder enables the center extraction of the roll of paper.

Benefits of technology

It simplifies the process of extracting the paper roll from the center and reduces production costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121180801A_ABST
    Figure CN121180801A_ABST
Patent Text Reader

Abstract

The invention discloses center extraction type roll paper and a processing method thereof, and relates to roll paper which is used for extracting tissues from the center of the roll paper by a user, the center extraction type roll paper comprises cylindrical roll paper formed by winding long-strip tissues, a hollow cavity is formed in the center of the cylindrical roll paper in the axial direction, and a supporting air bag for preventing the tissues from collapsing is arranged in the hollow cavity. When the center of the roll paper is extracted, air in the supporting air bag is exhausted or directly extracted out of the supporting air bag, operation is easy, and use is convenient. The roll paper does not need a central paper tube, and the air bag is used for replacing the central paper tube, so that the production cost is lower.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of paper rolls, specifically a kind of center extraction type paper roll and its processing method. BACKGROUND

[0002] The existing paper roll usually sets a paper tube in the center of the paper roll, and due to the existence of the paper tube, when the paper roll is used in a center extraction manner, the center paper tube in the paper roll needs to be taken out. However, the center paper tube in the existing paper roll is not convenient to take out, and the production cost of the center paper tube is relatively high. SUMMARY

[0003] The present application aims to provide a kind of center extraction type paper roll and its processing method to solve the problems raised in the background.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0005] A kind of center extraction type paper roll for users to extract paper towels from the center of the paper roll, comprising a cylindrical paper roll wound by long paper towels, a hollow cavity is provided in the center of the cylindrical paper roll along the axial direction, and a supporting air bag for preventing paper towels from collapsing is provided in the hollow cavity.

[0006] Preferably, the supporting air bag for preventing paper towels from collapsing abuts against the paper towels on the wall surface of the hollow cavity.

[0007] Preferably, the diameter of the hollow cavity is 2-5 cm.

[0008] Preferably, the two ends of the long paper towel are an inner end in the center of the cylindrical paper towel and an outer end at the outermost side of the cylindrical paper towel, respectively, the inner end of the long paper towel is connected with the supporting air bag, and the inner end of the long paper towel is taken out when the supporting air bag is taken out from the hollow cavity, realizing the extraction of paper from the center of the cylindrical paper towel.

[0009] Preferably, the two ends of the long paper towel are an inner end in the center of the cylindrical paper towel and an outer end at the outermost side of the cylindrical paper towel, respectively, the inner end of the long paper towel is exposed outside the cylindrical paper towel, and the inner end of the long paper towel is used to extract paper from the center of the cylindrical paper towel.

[0010] Preferably, the length of the inner end of the long paper towel exposed outside the cylindrical paper towel is 5-20 cm.

[0011] Preferably, the outer end of the long paper towel can be used to connect the inner end of another cylindrical paper towel.

[0012] A production method of a center extraction type paper roll, comprising the following steps:

[0013] Step one: producing a cylindrical paper roll which is wound by long paper towel and has a hollow cavity along the axial direction in the center;

[0014] Step two: inserting an un-inflated or un-filled supporting air bag into the hollow cavity of the cylindrical paper roll;

[0015] Step three: inflating the supporting air bag until the air pressure in the supporting air bag reaches a set value;

[0016] Step four: stopping the inflation and closing the supporting air bag.

[0017] A production method of a center-pull paper roll, comprising the following steps:

[0018] Step one: producing a cylindrical paper roll which is wound by long paper towel and has a hollow cavity along the axial direction in the center;

[0019] Step two: directly inserting an inflated supporting air bag into the hollow cavity of the cylindrical paper roll.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] The present application realizes the release of the gas in the supporting air bag or the direct extraction of the supporting air bag when the paper roll is pulled from the center, and the operation is simple and convenient to use.

[0022] The paper roll in the present application does not need a center paper tube, and the center paper tube is replaced by an air bag, so that the production cost is lower. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is a structural schematic view of a center-pull paper roll.

[0024] Fig. 2 It is a top view of a center-pull paper roll.

[0025] Fig. 3 It is a connection schematic view of a center-pull paper roll when multiple paper rolls are used continuously. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to Figs. 1-3The application discloses a center extraction type paper roll which is used for a user to extract paper towels from the center of the paper roll, and comprises a cylindrical paper roll 1 which is wound by long strip paper towels, and a hollow cavity which is arranged in the center of the cylindrical paper roll 1 in an axial direction, and a supporting air bag 2 which is arranged in the hollow cavity and is used for preventing the paper towels from collapsing.

[0028] The application realizes the release of the gas in the supporting air bag or the direct extraction of the supporting air bag when the paper roll is extracted from the center, and the operation is simple and the use is convenient.

[0029] The paper roll in the application does not need a center paper tube, and the supporting air bag is used to replace the center paper tube, so that the production cost is lower.

[0030] The supporting air bag 2 which is used for preventing the paper towels from collapsing is arranged against the paper towels on the wall of the hollow cavity.

[0031] The diameter of the hollow cavity is 2-5 cm.

[0032] As an embodiment of the application, two ends of the long strip paper towel are respectively an inner end 3 which is located in the center of the cylindrical paper roll 1 and an outer end 4 which is located at the outermost side of the cylindrical paper roll 1, the inner end 3 of the long strip paper towel is connected with the supporting air bag 2, the inner end 3 of the long strip paper towel is taken out when the supporting air bag 2 is extracted from the hollow cavity, and the paper is extracted from the center of the cylindrical paper roll 1.

[0033] As another embodiment of the application, two ends of the long strip paper towel are respectively an inner end 3 which is located in the center of the cylindrical paper roll 1 and an outer end 4 which is located at the outermost side of the cylindrical paper roll 1, the inner end 3 of the long strip paper towel is exposed outside the cylindrical paper roll 1, and the paper is extracted from the center of the cylindrical paper roll 1 through the inner end 3 of the long strip paper towel.

[0034] Further, the length of the inner end 3 of the long strip paper towel which is exposed outside the cylindrical paper roll 1 is 5-20 cm, so that the inner end 3 of the long strip paper towel can be directly used to extract the paper from the center of the cylindrical paper roll 1.

[0035] When the paper roll in the application needs to be continuously used with multiple paper rolls, the outer end 4 of the long strip paper towel can be used to connect the inner end 3 of another cylindrical paper roll 1, and when the previous cylindrical paper roll 1 is used up, the inner end 3 of the next cylindrical paper roll 1 can be taken out, so that the paper can be continuously used.

[0036] The outer end 4 of the long strip paper towel is attached to the outer side of the cylindrical paper roll 1, and in the specific implementation, the tail 3 of the paper roll can be directly adhered to the outer side of the paper roll 1 by using adhesive tape or glue.

[0037] A plurality of cutting lines 4 are arranged in the length direction of the long strip paper towel, so that the paper can be easily cut when the paper is taken out.

[0038] A production method of the center extraction type paper roll comprises the following steps.

[0039] Step one: producing a cylindrical paper roll 1 which is wound by long paper towel and has a hollow cavity in the center along the axial direction;

[0040] Step two: inserting an un-inflated or un-filled supporting air bag 2 into the hollow cavity of the cylindrical paper roll 1;

[0041] Step three: inflating the supporting air bag 2 until the air pressure in the supporting air bag 2 reaches a set value;

[0042] Step four: stopping the inflation and closing the supporting air bag 2.

[0043] A production method of a center-pull paper roll, comprising the following steps:

[0044] Step one: producing a cylindrical paper roll 1 which is wound by long paper towel and has a hollow cavity in the center along the axial direction;

[0045] Step two: directly inserting a supporting air bag 2 which is filled with air into the hollow cavity of the cylindrical paper roll 1.

[0046] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can make modifications to the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some of the technical features, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application, and the contents not described in detail in the present specification are all the prior art known to those skilled in the art.

Claims

1. A center-pull toilet paper roll, used by a user to pull out paper towels from the center of the roll, characterized in that, It includes a tubular roll of paper towels (1) made of long strips of paper towels, with a hollow cavity in the center of the tubular roll of paper towels along the axial direction, and a supporting airbag (2) inside the hollow cavity to prevent the paper towels from collapsing.

2. The center-pull toilet paper roll according to claim 1, characterized in that, The support airbag (2) used to prevent the paper towel from collapsing presses against the paper towel on the wall of the hollow cavity.

3. A center-pull toilet paper roll according to claim 1 or 2, characterized in that, The diameter of the hollow cavity is 2-5 cm.

4. A center-pull toilet paper roll according to claim 1, characterized in that, The two ends of the long strip of paper towel are the inner end (3) located in the center of the tubular paper towel (1) and the outermost end (4) located in the outermost part of the tubular paper towel (1). The inner end (3) of the long strip of paper towel is connected to the support air bladder (2). When the support air bladder (2) is pulled out from the hollow cavity, the inner end (3) of the long strip of paper towel is pulled out, so as to realize the paper towel being pulled out from the center of the tubular paper towel (1).

5. A center-pull toilet paper roll according to claim 1, characterized in that, The two ends of the long strip of paper towel are the inner end (3) located in the center of the tubular paper towel (1) and the outermost end (4) located in the outermost part of the tubular paper towel (1). The inner end (3) of the long strip of paper towel protrudes outside the tubular paper towel (1), and paper is pulled out from the center of the tubular paper towel (1) through the inner end (3) of the long strip of paper towel.

6. A center-pull toilet paper roll according to claim 5, characterized in that, The length of the inner end (3) of the long strip of paper towel protruding outside the tubular paper towel (1) is 5-20cm.

7. A center-pull toilet paper roll according to claim 4 or 5, characterized in that, The outer end (4) of the long strip of paper towel can be used to connect to the inner end (3) of another tubular paper towel (1).

8. A method for producing a center-pull-out roll of paper as described in any one of claims 1-7, comprising the following steps: Step 1: Produce a cylindrical roll of paper made of long strips of paper towels with a hollow cavity along the central axis (1); Step 2: Insert the uninflated or partially inflated support airbag (2) into the hollow cavity of the cylindrical roll of paper (1); Step 3: Inflate the support airbag (2) until the air pressure inside the support airbag (2) reaches the set value; Step 4: Stop inflation and seal the support airbag (2).

9. A method for producing a center-pull-out type roll of paper as described in any one of claims 1-7, comprising the following steps: Step 1: Produce a cylindrical roll of paper made of long strips of paper towels with a hollow cavity along the central axis (1); Step 2: Directly insert the fully inflated support airbag (2) into the hollow cavity of the cylindrical roll of paper (1).