公开(公告)号：US3458611A

公开(公告)日：1969-07-29

申请号：US3458611D

申请日：1966-12-08

申请人： FRED T ROBERTS & CO

发明人： ROBERTS ROBERT E

IPC分类号： B29C43/02 ,  B29C43/10 ,  B29C43/12 ,  B29C70/20 ,  B29C70/26 ,  B29C70/44 ,  B29C70/46 ,  B29C70/82 ,  B29C27/18 ,  B29D23/00

CPC分类号： B29C43/102 ,  B29C43/021 ,  B29C43/12 ,  B29C70/205 ,  B29C70/26 ,  B29C70/446 ,  B29C70/462 ,  B29C70/82 ,  B29C2049/0089 ,  B29K2021/00 ,  B29K2101/12 ,  B29K2105/101 ,  B29K2105/258 ,  B29K2223/12 ,  B29L2023/005

公开(公告)号：US3586091A

公开(公告)日：1971-06-22

申请号：US3586091D

申请日：1969-09-24

申请人： FRED T ROBERTS & CO

发明人： ROBERTS ROBERT E

IPC分类号： E06B9/24 ,  E06B9/00

CPC分类号： E06B9/24

摘要： A highly effective blind or screen of thermoplastic material having slats joined by flexible lands, which lands are provided with vent openings. The blind or screen preferably has reinforcing members joined to the lands and forming the means for suspending the blind or screen in a pendant position. The slats can be formed of desired colors and can be embossed and of a solid or hollow construction, and if hollow may have a thermal insulation therein.

公开(公告)号：US3578028A

公开(公告)日：1971-05-11

申请号：US3578028D

申请日：1969-07-16

申请人： FRED T ROBERTS & CO

发明人： ROBERTS ROBERT E

IPC分类号： F16L11/08 ,  F16L11/112

CPC分类号： F16L11/112 ,  D04B21/10 ,  D10B2505/02 ,  F16L11/085

摘要： A tubular flexible hose of elastomeric material and the method of making the same, said hose having a reinforcing layer of warp knit net fabric. It can have a helical spring wire under the fabric. The hose is highly resistant to bursting under internal pressure, and has substantially no axial extension and only slight radial stretch and can be readily manufactured.

公开(公告)号：US3423494A

公开(公告)日：1969-01-21

申请号：US3423494D

申请日：1967-01-31

申请人： FRED T ROBERTS & CO

发明人： ROBERTS ROBERT E

IPC分类号： B29D23/18 ,  B29D23/03

CPC分类号： B29D23/18 ,  B29K2021/00 ,  F16L11/112