-
公开(公告)号：US3944637A
公开(公告)日：1976-03-16
申请号：US441645
申请日：1974-02-11
IPC分类号： C08F4/00 , B29D11/00 , C08F4/28 , C08F18/00 , C08F18/08 , C08F220/00 , C08F220/04 , C08F290/00 , C08F299/00 , G02B1/04 , G02C1/00 , G02C7/00
CPC分类号： G02B1/041 , B29D11/00009 , C08F18/08
摘要： A terpolymer plastic lens having equal or greater light transmission, greater hardness and scratch resistance equal to the monomers used in prior art plastic lenses is obtained by the co-polymerization of diethylene glycol bis (allyl carbonate), methyl methacrylate and methacrylic acid or acrylic acid.
摘要翻译： 通过二甘醇双（碳酸烯丙酯），甲基丙烯酸甲酯和甲基丙烯酸或丙烯酸的共聚合获得具有等于或更高的透光性，更高的硬度和耐划伤性的三元共聚物塑料透镜，其等同于现有技术的塑料透镜中使用的单体 。
-
公开(公告)号：US4146696A
公开(公告)日：1979-03-27
申请号：US881711
申请日：1978-02-27
CPC分类号： B29D11/00519 , B29C33/64 , B29D11/00432 , G02B1/041 , B29K2909/08 , B29L2011/0016
摘要： The process of the preparation of production quantities of lens devices fabricated from synthetic resinous substances, normally referred to as "plastic lenses." The process utilizes a molding formulation which enables reusable mold cavities to be utilized, the formulation providing a proper balance between a number of processing parameters or variables, one of the primary parameters being the maintenance of a proper adherence or release capability between the surface of the lens being fabricated and the surface of the mold cavity. Specifically, it has been found that certain silanes when incorporated in the molding formulation controls the parameters so as to provide for controllable release of the lens product from the mold.
-
3.发明授权
公开(公告)号：US4124437A
公开(公告)日：1978-11-07
申请号：US673598
申请日：1976-04-05
申请人： Herbert M. Bond , Charles E. Ring , John A. Edgar , Ronald Bennett , Willis K. Paul , Roland N. Harshbarger
发明人： Herbert M. Bond , Charles E. Ring , John A. Edgar , Ronald Bennett , Willis K. Paul , Roland N. Harshbarger
IPC分类号： C23F1/02 , C23F1/00 , C23F1/08 , H01J9/14 , H01L21/306
CPC分类号： H01J9/142 , C23F1/08 , H01J2209/015
摘要： An etching system having a first member for unrolling and fastening a protective film on one side of a continuous strip of metal and a second member for smoothly stripping the protective film from the continuous strip of metal after the continuous strip of metal and the protective film have passed between sets of spray jets that are located on opposite sides of the continuous strip of metal. Further etching and rinsing stations are provided for completing the etching process to enable mass production of television aperture masks having a plurality of openings which have a dimension on the order of or less than the thickness of the mask material.
摘要翻译： 一种蚀刻系统，具有用于在连续的金属条的一侧上展开和紧固保护膜的第一构件和用于在连续的金属带和保护膜之后从连续的金属条平滑地剥离保护膜的第二构件， 在连续的金属条的相对侧上的喷射喷嘴之间通过。 提供了进一步的蚀刻和漂洗站，用于完成蚀刻工艺，以便批量生产具有多个开口的电视孔径掩模，其尺寸小于掩模材料的厚度。
-
公开(公告)号：US4099935A
公开(公告)日：1978-07-11
申请号：US764501
申请日：1977-01-31
CPC分类号： B24D99/00 , B23D71/06 , B23D73/02 , B24D11/003 , C23F1/04
摘要： Improved cutting teeth for etched abrading material and process for etching the abrading material are provided wherein the improved teeth comprise substantially flat top posts haing substantially straight or vertical sides. In addition, selected dimensional ratios are maintained between the etched teeth and the thickness of the base material to provide a flexible etching abrasive that has long life and will smoothly and efficiently abrade the surface of an article.
摘要翻译： 提供了用于蚀刻研磨材料的改进的切削齿和用于蚀刻研磨材料的工艺，其中改进的齿包括基本上直的或垂直的侧面的大致平坦的顶部柱。 此外，在蚀刻的齿与基材的厚度之间保持选定的尺寸比，以提供具有长寿命并且将平滑且有效地磨损制品表面的柔性蚀刻磨料。
-
公开(公告)号：USRE30494E
公开(公告)日：1981-01-27
申请号：US932430
申请日：1978-08-09
CPC分类号： B24D99/00 , B23D71/06 , B23D73/02 , B24D11/003
摘要： Improved cutting teeth for etched abrading material and process for etching the abrading material are provided wherein the improved teeth comprise substantially flat top posts having substantially straight or vertical sides. In addition, selected dimensional ratios are maintained between the etched teeth and the thickness of the base material to provide a flexible etching abrasive that has long life and will smoothly and efficiently abrade the surface of an article.
-
-
-
-
搜索结果
5 条记录 (耗时 0.015 秒)
