发明名称 VACCUM MOLD FOR MANUFACTURING AN ENLARGED HOSE AND METHOD FOR MANUFACTURING AN ENLARGED HOSE THEREBY
摘要 A vacuum mold for manufacturing a tubular hose and a manufacturing method of the tubular hose using the same are provided to restrict a phenomenon breaking or damaging the tubular hose due to external environment etc while maintaining a state of the hose having uniform thickness. A manufacturing method of a tubular hose includes the following steps of: manufacturing a hose semi-product(10) based on a tubular part having a bigger diameter than another tubular part; inserting the hose semi-product into a vacuum mold(20); forming a part of the tubular part of the hose semi-product by forming vacuum inside the mold; and manufacturing the tubular hose through a curing process of the hose semi-product.
申请公布号 KR20090077464(A) 申请公布日期 2009.07.15
申请号 KR20080003442 申请日期 2008.01.11
申请人 PYUNG HWA INDUSTRIAL CO., LTD. 发明人 KIM, JONG SUK;SEO, CHANG MYUNG;BYUN, SANG WOO;HAN, KWANG SU
分类号 B29C57/02;B29C33/18 主分类号 B29C57/02
代理机构 代理人
主权项
地址