GB191328673A - Improvements in Devices for Obtaining from a Stereoscopic Pair of Photographic Plates, by Copying Directly and Continuously, the Surface of a Spatial Form. - Google Patents
Improvements in Devices for Obtaining from a Stereoscopic Pair of Photographic Plates, by Copying Directly and Continuously, the Surface of a Spatial Form.Info
- Publication number
- GB191328673A GB191328673A GB191328673DA GB191328673A GB 191328673 A GB191328673 A GB 191328673A GB 191328673D A GB191328673D A GB 191328673DA GB 191328673 A GB191328673 A GB 191328673A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- cup
- air
- nut
- flanged
- 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
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Toys (AREA)
- Check Valves (AREA)
Abstract
28,673. Walsh, J. W. Dec. 20. Balls. - An air valve for use on inflatable articles such as footballs comprises a cup-shaped plate 1 having a central opening through which is passed a flanged valve body 13 so as to nip the bladder between the cup and the valve body. A nut 7 secures the parts, and an ordinary valve having a central passage terminating in a lateral passage beneath an exterior rubber sleeve is afterwards added and secured by a flanged nut 6. The cup 1 may be stitched to the outer case of the football, and carries a pivoted cover 4, a central opening in which may be moved into alinement with the valve for inflating. For convenience in deflating, a valve, Fig. 9, having a side opening 18 is used and deflation is effected by passing a fine wire through the valve and pushing back the usual rubber sleeve. In a modified valve, Fig. 12, a spring 24 presses a disk 26 against the end of the air-channel. When applied to an air-bed or air - cushion, the valve - fitting includes a flanged cup 30, Fig. 14, secured by a nut 32, and the valve proper is protected by a screwed cover 33.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE191328673X | 1912-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB191328673A true GB191328673A (en) | 1914-04-30 |
Family
ID=32604856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB191328673D Expired GB191328673A (en) | 1912-12-27 | 1913-12-12 | Improvements in Devices for Obtaining from a Stereoscopic Pair of Photographic Plates, by Copying Directly and Continuously, the Surface of a Spatial Form. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB191328673A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11241663B2 (en) | 2012-06-20 | 2022-02-08 | Philadelphia Mixing Solutions, Ltd. | High efficiency, non-ragging, formed axial impeller |
-
1913
- 1913-12-12 GB GB191328673D patent/GB191328673A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11241663B2 (en) | 2012-06-20 | 2022-02-08 | Philadelphia Mixing Solutions, Ltd. | High efficiency, non-ragging, formed axial impeller |
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