GB569400A - Improvements in or relating to apparatus for the visual inspection of internal cylindrical and other concave surfaces - Google Patents
Improvements in or relating to apparatus for the visual inspection of internal cylindrical and other concave surfacesInfo
- Publication number
- GB569400A GB569400A GB1903643A GB1903643A GB569400A GB 569400 A GB569400 A GB 569400A GB 1903643 A GB1903643 A GB 1903643A GB 1903643 A GB1903643 A GB 1903643A GB 569400 A GB569400 A GB 569400A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mirror
- casing
- cylinder
- internal
- apex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
569,400. Optical inspection apparatus. AUTOMOTIVE PRODUCTS CO., Ltd., and MANDER, H. W. Nov. 15, 1943, No. 19036. [Class 97 (i)] An apparatus for inspecting internal, e.g. cylindrical, surfaces comprises a stem supporting a mirror, the surface of which is the whole or part of the external surface of a cone. As shown in Fig. 1, a conical mirror 31 having a vertex angle of about 90 degrees, is supported by a stem 10 and carries at its apex a lamp 15, the upper surface of which has an opaque cap 34. A cylinder 32 open at both ends is passed over the apparatus, which may be mounted on a stand 22 for angular adjustment, for inspection of the internal surface by the reflected rays 33. In a modification, Fig. 3, the conical mirror surface is releasably attached at its apex to a rod 47 fixed to a window 61 in a casing 46 carrying the lamp 15. The casing is inserted into a cylinder 32a having one open end and is attached to a handle 49 by a tube 45 bent at 48 so that the mirror surface may be viewed past the casing. A pointer may be fitted to the handle in such a manner that any feature or imperfection on the internal surface, brought into alignment with a mark on the mirror may be indicated on the outer surface of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1903643A GB569400A (en) | 1943-11-15 | 1943-11-15 | Improvements in or relating to apparatus for the visual inspection of internal cylindrical and other concave surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1903643A GB569400A (en) | 1943-11-15 | 1943-11-15 | Improvements in or relating to apparatus for the visual inspection of internal cylindrical and other concave surfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB569400A true GB569400A (en) | 1945-05-22 |
Family
ID=10122680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1903643A Expired GB569400A (en) | 1943-11-15 | 1943-11-15 | Improvements in or relating to apparatus for the visual inspection of internal cylindrical and other concave surfaces |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB569400A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2959089A (en) * | 1955-03-16 | 1960-11-08 | American Cystoscope Makers Inc | Panoramic borescope |
| US4339200A (en) * | 1980-08-04 | 1982-07-13 | Corbin Wellington S | Bore illuminating device |
| US4725883A (en) * | 1986-07-18 | 1988-02-16 | Westinghouse Electric Corp. | Optical profilometry system for tubular products |
-
1943
- 1943-11-15 GB GB1903643A patent/GB569400A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2959089A (en) * | 1955-03-16 | 1960-11-08 | American Cystoscope Makers Inc | Panoramic borescope |
| US4339200A (en) * | 1980-08-04 | 1982-07-13 | Corbin Wellington S | Bore illuminating device |
| US4725883A (en) * | 1986-07-18 | 1988-02-16 | Westinghouse Electric Corp. | Optical profilometry system for tubular products |
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