一、国外螺旋瓶盖及密封垫圈的发展简史 螺旋瓶盖的起源已无确切的历史记载,但根据带丝扣坡璃瓶的历史记载可知螺旋瓶盖可能起源于十九世纪中。 1856年Espy发表第一篇有关螺旋瓶盖的专利资料,它比1892年出现于巴黎的王冠瓶盖早40年。金属制螺旋瓶盖出现于1921年,当时以采用铝制螺旋瓶盖为主,接着相继 A brief history of the development of foreign spiral caps and gaskets The origin of the spiral cap has no exact historical records, but according to the history of the bottle with a screwdriver, spiral cap may have originated in the nineteenth century. In 1856 Espy published the first patent information on spiral caps, which was 40 years earlier than the crown caps that appeared in Paris in 1892. Metal spiral caps appeared in 1921, when the use of aluminum spiral cap-based, followed by succession