The invention relates to a device for pressingcloth by the control of an air cylinder 6, belonging to the technical field of sewing machines.
本发明属于缝纫机技术，其特征是设计了一个可以通过气缸6控制 来压紧布料的装置。
2
A new glass cloth laminate was prepared by using benzoxazine as liquid cement, alkali-free glass cloth as backing material, and treating with cement dipping, baking and pressing.
并以苯并恶嗪预聚体为胶液、无碱玻璃布为基材，经浸胶、烘焙、压制制得一种玻璃布层压板。
3
The invention relates to a sewing machine with intermittent presser foot for pressing the machining cloth from above.