A method for testing the tensile strength of packaging cartons

A tensile strength and test method technology, applied in the direction of strength characteristics, the use of stable tension/pressure test material strength, measurement devices, etc., can solve the damage to the clamping part of the carton, poor clamping effect, uneven tension change, etc. problems, to prevent breakage, ensure accuracy, and avoid relative displacement.

Active Publication Date: 2021-07-23
滦州吉宏包装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention can solve the problem that when the existing cartons are stretched, the tension changes unevenly, the carton tensile test is inaccurate, and the accuracy of the experiment is affected. There is a relative displacement with the clamping tool, and the end of the carton is prone to uneven force when clamping, resulting in damage to the clamping part of the carton and other problems

Method used

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  • A method for testing the tensile strength of packaging cartons
  • A method for testing the tensile strength of packaging cartons
  • A method for testing the tensile strength of packaging cartons

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Embodiment Construction

[0033] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0034] like Figure 1 to Figure 5 Shown, a kind of packing carton tensile strength testing method comprises the following steps:

[0035] S1. Complete the installation and positioning of the sample carton on the clamping tool 33 after unfolding;

[0036] S2, start the stretching device 2, and stretch the sample carton in step S1 by uniformly increasing the tension of the stretching device 2;

[0037] S3, start the stretching device 2, and stretch the sample carton in step S1 in a way that the tension of the stretching device 2 is constant;

[0038] S4. Manually observe and record the damage and rupture of the test carton in steps S2 and S3.

[0039] The working procedures in the steps S1-S4 of the above method for testing the tensile strength of ...

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Abstract

The invention relates to a method for testing the tensile strength of a packaging carton, which comprises a base plate, a stretching device and a clamping device. The upper end of the base plate is provided with a stretching device. clamping device. The present invention can solve the problem that when the existing cartons are stretched, the tension changes unevenly, the carton tensile test is inaccurate, and the accuracy of the experiment is affected. There is a relative displacement with the clamping tool, and the end of the carton is prone to uneven force during clamping, resulting in damage to the clamping part of the carton. It adopts the design concept of bidirectional stretching, through the difference between variable tension and constant tension. The test method can effectively and accurately test the tensile strength of the packaging carton.

Description

technical field [0001] The invention relates to the technical field of packaging cartons, in particular to a method for testing the tensile strength of packaging cartons. Background technique [0002] Cartons are the most widely used packaging products. According to different materials, there are corrugated boxes, single-layer cardboard boxes, etc., with various specifications and models. Packaging cartons are usually made of paper products and are used for packaging various items. Packaging cartons are low in cost, easy to package, suitable for adding fillers, clean, etc., suitable for product factory packaging, item transportation, material sorting, etc. Packaging cartons are often used to transport and protect products. Therefore, the performance of packaging cartons such as compression resistance, tensile strength, adhesive strength, puncture, simulated transportation, shock resistance, and drop needs higher requirements. [0003] At present, the existing packaging cart...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/08G01N3/02
CPCG01N3/02G01N3/08G01N2203/0003G01N2203/0017G01N2203/0067
Inventor 宛群赵书跃
Owner 滦州吉宏包装有限公司
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