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    • 6. 发明公开
    • Welding thermoplastics material
    • 焊接热塑性材料
    • EP0327256A3
    • 1990-06-06
    • EP89300753.4
    • 1989-01-26
    • SIGNODE CORPORATION
    • Abrams, Jack S.
    • B29C65/02B29C65/10B29C65/74B65B13/32
    • B29C65/10B29C65/02B29C65/7471B29C66/03241B29C66/1122B29C66/21B29C66/41B29C66/43B29C66/71B29C66/73772B29C66/73921B65B13/32B29K2067/003B29K2023/12
    • A method of welding at least two layers (18, 20) of thermoplastic material, e.g. polyethylene terephthalate or polyporopylene, and a weld (30) so produced comprises directing a jet of hot gas from a nozzle (10), through a hole (16) in an inlet mask (16), and against the layers (18, 20). The layers (18, 20) are backed by an outlet mask (22) having a hole (26) and serving as a heat sink. The inlet mask (16), the layers (18, 20), and the outlet mask (22) are clamped together. A transverse weld (30) is formed entirely of the material of the layers (18, 20). The weld (30) has a columnar shape with an enlarged end (32′), which is cold-headed. The opposite end of the weld is level with or depressed with respect to marginal surfaces of the adjacent layer (18, 20). If the material is crystallizable, the weld may be more crystalline than other portions of the layers.
    • 焊接至少两层(18,20)热塑性材料的方法,例如, 聚对苯二甲酸乙二醇酯或聚异戊烯,以及如此制造的焊缝(30)包括将来自喷嘴(10)的热气体射流引导通过入口掩模(​​16)中的孔(16)并且抵靠层(18,20) 。 层(18,20)由具有孔(26)并用作散热器的出口掩模(22)支撑。 入口掩模(​​16),层(18,20)和出口掩模(22)被夹紧在一起。 横向焊缝(30)完全由层(18,20)的材料形成。 焊缝(30)具有冷却头部的扩大端部(32分​​钟)的柱状。 焊缝的相对端相对于相邻层(18,20)的边缘表面是平坦的或凹陷的。 如果材料是可结晶的,焊缝可能比层的其它部分更结晶。
    • 9. 发明公开
    • Welding thermoplastics material
    • Schweissen von thermoplastischen Materialien。
    • EP0327256A2
    • 1989-08-09
    • EP89300753.4
    • 1989-01-26
    • SIGNODE CORPORATION
    • Abrams, Jack S.
    • B29C65/02B29C65/10B29C65/74B65B13/32
    • B29C65/10B29C65/02B29C65/7471B29C66/03241B29C66/1122B29C66/21B29C66/41B29C66/43B29C66/71B29C66/73772B29C66/73921B65B13/32B29K2067/003B29K2023/12
    • A method of welding at least two layers (18, 20) of thermoplastic material, e.g. polyethylene terephthalate or polyporopylene, and a weld (30) so produced comprises directing a jet of hot gas from a nozzle (10), through a hole (16) in an inlet mask (16), and against the layers (18, 20). The layers (18, 20) are backed by an outlet mask (22) having a hole (26) and serving as a heat sink. The inlet mask (16), the layers (18, 20), and the outlet mask (22) are clamped together. A transverse weld (30) is formed entirely of the material of the layers (18, 20). The weld (30) has a columnar shape with an enlarged end (32′), which is cold-headed. The opposite end of the weld is level with or depressed with respect to marginal surfaces of the adjacent layer (18, 20). If the material is crystallizable, the weld may be more crystalline than other portions of the layers.
    • 焊接至少两层(18,20)热塑性材料的方法,例如, 聚对苯二甲酸乙二醇酯或聚异戊烯,以及如此制造的焊缝(30)包括将来自喷嘴(10)的热气体射流引导通过入口掩模(​​16)中的孔(16)并且抵靠层(18,20) 。 层(18,20)由具有孔(26)并用作散热器的出口掩模(22)支撑。 入口掩模(​​16),层(18,20)和出口掩模(22)被夹紧在一起。 横向焊缝(30)完全由层(18,20)的材料形成。 焊缝(30)具有冷却头部的扩大端部(32分​​钟)的柱状。 焊缝的相对端相对于相邻层(18,20)的边缘表面是平坦的或凹陷的。 如果材料是可结晶的,焊缝可能比层的其它部分更结晶。