GB842705A - Improvements in or relating to the perforation of sheet material - Google Patents
Improvements in or relating to the perforation of sheet materialInfo
- Publication number
- GB842705A GB842705A GB22572/56A GB2257256A GB842705A GB 842705 A GB842705 A GB 842705A GB 22572/56 A GB22572/56 A GB 22572/56A GB 2257256 A GB2257256 A GB 2257256A GB 842705 A GB842705 A GB 842705A
- Authority
- GB
- United Kingdom
- Prior art keywords
- roller
- pin
- holes
- rollers
- metal
- 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
- 239000002184 metal Substances 0.000 abstract 8
- 238000005553 drilling Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/0092—Perforating means specially adapted for printing machines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
842,705. Making perforating rollers; drilling. HELMERT, W. July 20, 1956 [July 21, 1955], No. 22572/56. Classes 83 (2) and 83 (3). [Also in Group VIII] A process for producing accurately co-operating pin-and-pin-hole rollers of a perforating mechanism is characterized in that holes at the required pitch division for the pins and pin holes of the pin roller and the pin-hole roller are formed in each case in a flexible metal band, consisting of one or more pieces, or a hollow cylindrical metal shell, consisting of one or more pieces, separate from the rollers. before the application of the metal band or shell on a roller, the metal bands or shells then being arranged opposite one another on the rollers in such a way that pins inserted in the holes of one roller co-operate accurately with the holes of the other roller, after which the metal bands or shells are fixed in the adjusted position on their rollers. When metal bands are used, these are preferably provided with holes at the required pitch division while in a plane position, and are then each laid round a base body of a roller acting as a pin roller or a pin-hole roller. The band on the pin roller is fixed in position and is then used as a template for the production of bores in the base body to provide a mounting for the pins of the pin roller. When metal shells are used, the holes are formed by drilling. As shown, hollow metal shells 41, 42 to be drilled with holes longitudinally and circumferentially thereof are mounted on a shaft 36, in turn mounted on a table 28 which is movable parallel to the shaft 36. The movement of the table 28 and the circumferential movement of the shaft 36 about its axis, are determined by perforated indexing bands 30, 44, provided respectively on the table and on a disc 43 mounted on the shaft and co-operable with index pins 33, 46 on fixed holders 32, 45 respectively. The table runs on balls or rollers 27, Fig. 4, embedded in guides 25, 26.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE842705X | 1955-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB842705A true GB842705A (en) | 1960-07-27 |
Family
ID=6770683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22572/56A Expired GB842705A (en) | 1955-07-21 | 1956-07-20 | Improvements in or relating to the perforation of sheet material |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB842705A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5141368A (en) * | 1990-03-20 | 1992-08-25 | Worldwide Medical Plastics Inc. | Automated side-drilled device and method for catheters |
| CN107498342A (en) * | 2017-09-30 | 2017-12-22 | 山西中晋工业机械有限公司 | A kind of front axle anti-scratch kingpin bore positioning core axle device |
-
1956
- 1956-07-20 GB GB22572/56A patent/GB842705A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5141368A (en) * | 1990-03-20 | 1992-08-25 | Worldwide Medical Plastics Inc. | Automated side-drilled device and method for catheters |
| CN107498342A (en) * | 2017-09-30 | 2017-12-22 | 山西中晋工业机械有限公司 | A kind of front axle anti-scratch kingpin bore positioning core axle device |
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