Combined seven-layer double-corrugated heavy paper board
A double-corrugated heavy-duty, corrugated paper technology, applied in the direction of synthetic resin layered products, paper/cardboard layered products, layered products, etc., can solve the problems of unsuitable storage for a long time, occupying a large space, not meeting environmental protection requirements, etc. Physical and technical strength indicators, the effect of strengthening corrugated structure
Inactive Publication Date: 2014-08-20
DACHENG PACKAGING PROD SUZHOU
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Problems solved by technology
[0003] Generally, corrugated boxes are only suitable for loading light items and are not suitable for long-term storage. Therefore, the export of heavy-duty products such as chemicals and machinery mostly uses wooden packaging boxes and iron drums. The disadvantages are: 1. High cost and does not meet environmental protection requirements
2. It takes up a lot of space during transportation and storage, and it is difficult to handle after use
Method used
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[0017] Example: A composite seven-layer double-corrugated heavy-duty cardboard
[0018] See attached figure 1 As shown, a composite seven-layer double-corrugated heavy-duty cardboard includes face paper 1, core paper 2 and inner paper 3; The corrugated structure layer 4, that is, the core paper 2 is separated between the two corrugated structure layers 4. The corrugated structure layer 4 is a composite structure, that is, it is formed by bonding the first corrugated paper layer 5, the polyvinyl acetate rigid skeleton 7 and the second corrugated paper layer 6, and the shape of the polyvinyl acetate rigid skeleton 7 is consistent with the The shapes of the first corrugated paper layer 5 and the second corrugated paper layer 6 are matched, and the polyvinyl acetate rigid frame 7 is sandwiched between the first corrugated paper layer 5 and the second corrugated paper layer 6 . The material of the surface paper, core paper and inner paper are all 440g / m 2 kraft linerboard. The ...
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Abstract
The invention discloses a combined seven-layer double-corrugated heavy paper board. The combined seven-layer double-corrugated heavy paper board comprises facial paper, core paper, lining paper, as well as permanent rippled corrugated structure layers formed by combining and bonding each two pieces of corrugated paper; polyvinyl acetate is sandwiched between the two pieces of corrugated paper, is a bonding agent on one hand, and plays a role of rigid framework on the other hand, so that each physical index value of the double-corrugated paper board is far better than that of the best one in the America standard, that is, the edgewise compression strength is 19380N / m, the puncture resistance is 29.95J, and the pop strength is 4433Kpa.
Description
technical field [0001] The invention relates to a composite seven-layer double-corrugated heavy-duty cardboard, which belongs to the technical field of packaging materials. Background technique [0002] Corrugated boxes have the advantages of light weight, good structural performance, puncture resistance, cushioning, shockproof, foldable, strong printing adaptability, environmental protection, recyclable and suitable for automatic packaging operations. In the fierce competition with other packaging materials, corrugated boxes are famous for their Due to its unique performance, it has become the most commonly used and rapidly developing paper packaging container so far, and has become the most important form of packaging in modern packaging. [0003] Generally, corrugated boxes are only suitable for loading light items and are not suitable for long-term storage. Therefore, the export of heavy-duty products such as chemicals and machinery mostly uses wooden packaging boxes and...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Login to View More IPC IPC(8): B32B29/00B32B29/08B32B27/36
Inventor 张惠忠卢思满
Owner DACHENG PACKAGING PROD SUZHOU