CN205525611U - 一种可固定袋口形状的塑料自封袋 - Google Patents

一种可固定袋口形状的塑料自封袋 Download PDF

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Publication number
CN205525611U
CN205525611U CN201620287751.0U CN201620287751U CN205525611U CN 205525611 U CN205525611 U CN 205525611U CN 201620287751 U CN201620287751 U CN 201620287751U CN 205525611 U CN205525611 U CN 205525611U
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China
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valve bag
convex rib
sack
muscle
main part
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Expired - Fee Related
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CN201620287751.0U
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English (en)
Inventor
刘旭冉
金应荣
查小月
刘琴
李树艳
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Xihua University
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Xihua University
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Abstract

一种可固定袋口形状的塑料自封袋,具有塑料主体(7),主体封口处内两侧设有内凸筋(3)和凹槽(4),在主体封口和袋口上边缘之间设有半圆柱形外凸筋(1,6),外凸筋(1,6)与内凸筋(3)、凹槽(4),方向平行、长度相等,外凸筋(1,6)内包含有细铁丝(2,5),使用本技术可以固定自封袋袋口形状,使袋口保持大角度的张开,方便样品特别是粉体样品的装入。

Description

一种可固定袋口形状的塑料自封袋
技术领域
本实用新型涉及一种可固定袋口形状的塑料自封袋,属于塑料包装领域。
背景技术
塑料自封袋在封口内设有凸筋和凹槽,利用其配合实现自封,多用于实验样品的封装。但是现有自封袋在开启后,由于封口内的凸筋、凹槽和袋口在受力时发生弹性形变,作用力消失后封口和袋口会出现闭合现象,不能保持大角度的张开,实验样品特别是粉体样品在装袋时碰到袋口会出现洒落现象给操作造成不便。
发明内容
本实用新型的目的是提供一种可固定袋口形状的塑料自封袋,这种自封袋可使袋口保持大角度的张开,方便样品特别是粉体样品的装袋。
本实用新型的技术方案是:一种可固定袋口形状的塑料自封袋,具有塑料主体,主体封口处内两侧设有内凸筋和凹槽,在主体封口和袋口上边缘之间设有半圆柱形外凸筋,外凸筋与内凸筋、凹槽方向平行、长度相等,其特征是:两侧外凸筋内包含有细铁丝,细铁丝与外凸筋方向平行、长度相等。
本实用新型的优点是:由于封口两侧的半圆柱形外凸筋内含有细铁丝,所以可以通过细铁丝在受力时发生的塑性形变,固定袋口形状,使袋口保持大角度的张开,方便样品特别是粉体样品的装入。
附图说明
图1是一种可固定袋口形状的塑料自封袋的主视图。
图2是图1的A-A面的剖视图。
具体实施方式
使用时,用手捏住塑料主体(7)上端袋口的两边,使主体封口处内两侧内凸筋(3)和凹槽(4)分开,打开自封袋,用手指捏住两侧半圆柱形外凸筋(1,6),向自封袋内侧弯曲外凸筋(1,6),使其内部的细铁丝(2,5)发生塑性形变,通过铁丝支撑让袋口保持大角度的张开,袋口张开角度的大小可根据实验者需要进行调整,之后进行实验样品的装袋。

Claims (1)

1.一种可固定袋口形状的塑料自封袋,具有塑料主体(7),主体封口处内两侧设有内凸筋(3)和凹槽(4),在主体封口和袋口上边缘之间设有半圆柱形外凸筋(1,6),外凸筋(1,6)与内凸筋(3)、凹槽(4)方向平行、长度相等,其特征是:两侧外凸筋(1,6)内包含有细铁丝(2,5),细铁丝(2,5)与外凸筋(1,6)方向平行、长度相等。
CN201620287751.0U 2016-04-08 2016-04-08 一种可固定袋口形状的塑料自封袋 Expired - Fee Related CN205525611U (zh)

Priority Applications (1)

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CN201620287751.0U CN205525611U (zh) 2016-04-08 2016-04-08 一种可固定袋口形状的塑料自封袋

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620287751.0U CN205525611U (zh) 2016-04-08 2016-04-08 一种可固定袋口形状的塑料自封袋

Publications (1)

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CN205525611U true CN205525611U (zh) 2016-08-31

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CN201620287751.0U Expired - Fee Related CN205525611U (zh) 2016-04-08 2016-04-08 一种可固定袋口形状的塑料自封袋

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CN (1) CN205525611U (zh)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160831

Termination date: 20170408

CF01 Termination of patent right due to non-payment of annual fee