Method of forming plastic fastener and plastic accessory strips and
uniting the same with a film
    11.
    发明授权
    Method of forming plastic fastener and plastic accessory strips and uniting the same with a film 失效
    形成塑料紧固件和塑料附件带并将其与薄膜结合在一起的方法

    公开(公告)号:US4832768A

    公开(公告)日:1989-05-23

    申请号:US84519

    申请日:1987-08-11

    摘要: For producing a plastic film having a plastic fastener, with male and female interlockable profiles, and accessory strips, such as ribs and strips, in preparation of a reclosable plastic bag, there is provided a first forming die which extrudes the accessory strips, a separate second forming die which extrudes the fastener, a pair of nip rolls for press-bonding the accessory strips onto the surface of the film being fed in the vicinity of the first forming die, and a bonding roll for receiving the film with press-bonded accessory strips and the fastener from the second forming die placed onto the film surface such that the fastener is bonded to the surface of the film at the bonding roll by virtue of heat.

    摘要翻译: 为了制备具有塑料紧固件的塑料膜,具有阳和阴互锁型材以及附件条(例如肋条和条),在制备可再封闭的塑料袋时,提供了第一成形模,其挤出附件条, 第二成形模挤出紧固件,一对夹持辊,用于将附件带压接到在第一成形模具附近供给的膜的表面上;粘合辊,用于用压接附件接收该膜 条带和紧固件从第二成形模具放置在膜表面上,使得紧固件通过热量在粘合辊上结合到膜的表面。