摘要:
A plastics profile strip (12,13) for a reclosable fastener for a bag has a male/female portion and a flange (30,31). At least part of the flange is treated by a corona discharge or flame to make it more resistant to welding itself to a co-operating profile strip.
摘要:
A plastics profile strip (12,13) for a reclosable fastener for a bag has a male/female portion and a flange (30,31). At least part of the flange is treated by a corona discharge or flame to make it more resistant to welding itself to a co-operating profile strip.