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    • 1. 发明授权
    • Easy to open handle bag and method of making the same
    • 容易打开手提袋和制作方法
    • US6059707A
    • 2000-05-09
    • US049402
    • 1998-03-27
    • William P. BeliasRobert T. Maddock
    • William P. BeliasRobert T. Maddock
    • B31B19/86B65D33/00B65D33/06B31B1/64
    • B65D33/065B65D33/002B31B2219/909Y10S493/926
    • A method of forming a plurality of easy to open handle bags including the steps of providing a flattened tube of thermoplastic material oriented in a generally longitudinal direction. The flattened tube has a first longitudinal side edge and a second longitudinal side edge, a transverse lower heat seal, and a transverse upper heat seal. The tube also has first, second, and third sections. The second section being disposed between the first and third sections. The first section is joined to the second section along a generally longitudinal first fold line. The second section is joined to the third section along a generally longitudinal second fold line. The second section is cut along a generally transverse first cut line extending between the first and second fold lines. The first section is folded over the second section along the first fold line. The third section is folded over the previously folded-over first section along the second fold line such that the first, second, and third sections overlap one another. The overlapped first, second, and third sections are cut along a generally longitudinal second cut line that intersects the first cut line, the first fold line, and the second side edge at one end and intersects the upper heat seal at the other end. The overlapped first, second, and third sections are then cut along a generally longitudinal third cut line that intersects the first cut line, the second fold line, and the first side edge at one end and intersects the upper heat seal at the other end.
    • 一种形成多个容易打开的手提袋的方法,包括以下步骤:提供沿大致纵向方向定向的热塑性材料的扁平管。 扁平管具有第一纵向侧边缘和第二纵向侧边缘,横向下部热封和横向上部热封。 该管还具有第一,第二和第三部分。 第二部分设置在第一和第三部分之间。 第一部分沿着大致纵向的第一折线连接到第二部分。 第二部分沿着大致纵向的第二折线连接到第三部分。 第二部分沿着在第一和第二折叠线之间延伸的大致横向的第一切割线切割。 第一部分沿着第一折线折叠在第二部分上。 第三部分沿着第二折叠线折叠在先前折叠的第一部分上,使得第一部分,第二部分和第三部分彼此重叠。 重叠的第一,第二和第三部分沿着与第一切割线,第一折叠线和第二侧边缘在一端相交的大致纵向的第二切割线切割,并且在另一端与上部热封相交。 然后,重叠的第一,第二和第三部分沿着与第一切割线,第二折叠线和第一侧边缘相交的大致纵向的第三切割线切割,并在另一端与上部热封相交。
    • 3. 发明授权
    • Folded thermoplastic bag structure
    • 折叠热塑袋结构
    • US06196717B1
    • 2001-03-06
    • US09515140
    • 2000-02-29
    • William P. BeliasRobert T. Maddock
    • William P. BeliasRobert T. Maddock
    • B65D3310
    • B65D33/065B31B70/872B65D33/002Y10S493/926
    • A method of forming a plurality of easy to open handle bags including the steps of providing a flattened tube of thermoplastic material oriented in a generally longitudinal direction. The flattened tube has a first longitudinal side edge and a second longitudinal side edge, a transverse lower heat seal, and a transverse upper heat seal. The tube also has first, second, and third sections. The second section being disposed between the first and third sections. The first section is joined to the second section along a generally longitudinal first fold line. The second section is joined to the third section along a generally longitudinal second fold line. The second section is cut along a generally transverse first cut line extending between the first and second fold lines. The first section is folded over the second section along the first fold line. The third section is folded over the previously folded-over first section along the second fold line such that the first, second, and third sections overlap one another. The overlapped first, second, and third sections are cut along a generally longitudinal second cut line that intersects the first cut line, the first fold line, and the second side edge at one end and intersects the upper heat seal at the other end. The overlapped first, second, and third sections are then cut along a generally longitudinal third cut line that intersects the first cut line, the second fold line, and the first side edge at one end and intersects the upper heat seal at the other end.
    • 一种形成多个容易打开的手提袋的方法,包括以下步骤:提供在大致纵向上定向的热塑性材料的扁平管。 扁平管具有第一纵向侧边缘和第二纵向侧边缘,横向下部热封和横向上部热封。 该管还具有第一,第二和第三部分。 第二部分设置在第一和第三部分之间。 第一部分沿着大致纵向的第一折线连接到第二部分。 第二部分沿着大致纵向的第二折线连接到第三部分。 第二部分沿着在第一和第二折叠线之间延伸的大致横向的第一切割线切割。 第一部分沿着第一折线折叠在第二部分上。 第三部分沿着第二折叠线折叠在先前折叠的第一部分上,使得第一部分,第二部分和第三部分彼此重叠。 重叠的第一,第二和第三部分沿着与第一切割线,第一折叠线和第二侧边缘在一端相交的大致纵向的第二切割线切割,并且在另一端与上部热封相交。 然后,重叠的第一,第二和第三部分沿着与第一切割线,第二折叠线和第一侧边缘相交的大致纵向的第三切割线切割,并在另一端与上部热封相交。