公开(公告)号：US4445159A

公开(公告)日：1984-04-24

申请号：US324670

申请日：1981-11-24

Applicant: Masanori Nemoto ,  Hideki Asano

Inventor： Masanori Nemoto ,  Hideki Asano

IPC: G11B33/02 ,  B29C45/00 ,  G11B15/665 ,  G11B25/06 ,  G11B19/00 ,  B29F1/00 ,  G11B5/008 ,  G11B5/08

CPC classification number: G11B25/063 ,  B29C45/0025 ,  G11B15/6656

Abstract: A chassis for video tape recorder molded integrally with a fiber-reinforced plastic composition is light in weight and can meet the requirements for attainment of high precision. It is possible to obtain a chassis with even higher precision and higher rigidity while preventing deformation with time as well as creep deformation, by properly selecting the components of the composition, the number and the position of the gates, and/or the reinforcing measures. In case of using glass fiber as the reinforcing fiber component of the composition, it is desirable to use the type in which 5% by weight or more of the whole glass fiber component is occupied by those glass fibers which have a length of over 1.0 mm and a diameter of 15 .mu.m or less.

Abstract translation: 用于与纤维增强塑料组合物整体成型的录像机的底盘重量轻，可以满足达到高精度的要求。 通过适当地选择组合物的组分，门的数量和位置以及/或加强措施，可以获得具有更高精度和更高刚度的底盘，同时防止随时间变形和蠕变变形。 在使用玻璃纤维作为组合物的增强纤维成分的情况下，优选使用长度超过1.0mm的玻璃纤维占据整个玻璃纤维成分的5重量％以上的类型 直径为15μm以下。