公开(公告)号：US3470556A

公开(公告)日：1969-09-30

申请号：US3470556D

申请日：1968-06-24

Applicant: WILHELM BERTRAM

Inventor： BERTRAM WILHELM

IPC: G09G3/04 ,  G08B23/00

CPC classification number: G09G3/045

公开(公告)号：US3315084A

公开(公告)日：1967-04-18

申请号：US37411864

申请日：1964-06-10

Applicant: WILHELM BERTRAM

Inventor： WILHELM BERTRAM

IPC: G01J1/04 ,  G01J1/42

CPC classification number: G01J1/04 ,  G01J1/0271 ,  G01J1/0474 ,  G01J1/4214

公开(公告)号：US3288043A

公开(公告)日：1966-11-29

申请号：US36996264

申请日：1964-05-25

Applicant: WILHELM BERTRAM

Inventor： WILHELM BERTRAM

IPC: G03B17/18

CPC classification number: G03B17/18

公开(公告)号：US3379094A

公开(公告)日：1968-04-23

申请号：US36972364

申请日：1964-05-25

Applicant: WILHELM BERTRAM

Inventor： WILHELM BERTRAM

IPC: G01J1/44

CPC classification number: G01J1/44

公开(公告)号：US4601597A

公开(公告)日：1986-07-22

申请号：US608860

申请日：1984-05-10

Applicant: Wilhelm Bertram ,  Alfred Bottcher ,  Carl Siegmann

Inventor： Wilhelm Bertram ,  Alfred Bottcher ,  Carl Siegmann

IPC: B05C5/04 ,  B05C17/005 ,  B67D5/62

CPC classification number: B05C17/0054

Abstract: A hot-melt adhesive applicator with a heating block features a flow maze for the hot-melt adhesive, arranged between heating block and applicator nozzle, which is formed, for one, by parts of the heating block, and, for another, by a detachable maze attachment, and causes the hot-melt adhesive to flow through thin ribbon or disk-shaped spaces in intimate contact with heated surfaces, with all essential adhesive channels being easily accessible for cleaning upon removal of the maze attachment.

Abstract translation: 具有加热块的热熔粘合剂涂布器具有用于热熔粘合剂的流动迷宫，其设置在加热块和施加喷嘴之间，该加热块和涂布器喷嘴之间形成一个加热块的一部分，另一个由加热块的一部分形成， 并且使热熔粘合剂流过与加热表面紧密接触的薄带或圆盘形空间，所有必需的粘合剂通道在除去迷宫附件时易于清洁。

公开(公告)号：US3561397A

公开(公告)日：1971-02-09

申请号：US3561397D

申请日：1967-09-05

Applicant: WILHELM BERTRAM

Inventor： BERTRAM WILHELM

IPC: H03J1/04 ,  H03J1/02 ,  G01D13/10

CPC classification number: H03J1/042

Abstract: A device to indicate wavelengths or channels in radio or television apparatus, including a rotary indicating cylinder having a spiral indicating line thereon. The indicating cylinder is driven by means electrically connected to the tuning means of the apparatus. A scale cylinder is outwardly of, and coaxial with, the indicating cylinder. It has a plurality of scales thereon and is selectably driven by the channels or wave band selector for movement past fixed housing window.

公开(公告)号：US3069985A

公开(公告)日：1962-12-25

申请号：US5968460

申请日：1960-09-30

Applicant: ERNST AND WILHELM BERTRAM

Inventor： WILHELM BERTRAM

IPC: G03B7/12

CPC classification number: G03B7/12