GB172888A - Improvements relating to machines for perforating paper and the like - Google Patents
Improvements relating to machines for perforating paper and the likeInfo
- Publication number
- GB172888A GB172888A GB515721A GB515721A GB172888A GB 172888 A GB172888 A GB 172888A GB 515721 A GB515721 A GB 515721A GB 515721 A GB515721 A GB 515721A GB 172888 A GB172888 A GB 172888A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cutter
- machines
- roller
- improvements relating
- give
- 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
-
- 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
- B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
- B26F1/22—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material to form non-rectilinear cuts, e.g. for tabs
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
172,888. Forgrove Machinery Co., Ltd., and Grover, F. Feb. 15, 1921. Rotary perforating machines.-Relates to machines in which a rotary perforating-cutter cooperates with a grooved roller having a greater peripheral velocity so as to give a draw-cut, and consists in the provision of an adjustable flat V- shaped or other cutter set out of the axial line of the roller. As shown in Fig. 1, the cutter 8 is positioned below the axial line of the cutter shaft and roller, is flat, V-shaped, and mounted by jointed arms 6, 7 upon a disc 5 carried by a shaft 4 to which the grooved roller 2 is geared. The shape of the cutter 8 can be arranged to give a triangular perforation as shown in Fig. 5, or a semicircular or other perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB515721A GB172888A (en) | 1921-02-15 | 1921-02-15 | Improvements relating to machines for perforating paper and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB515721A GB172888A (en) | 1921-02-15 | 1921-02-15 | Improvements relating to machines for perforating paper and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB172888A true GB172888A (en) | 1921-12-22 |
Family
ID=9790744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB515721A Expired GB172888A (en) | 1921-02-15 | 1921-02-15 | Improvements relating to machines for perforating paper and the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB172888A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0255406A2 (en) * | 1986-08-01 | 1988-02-03 | The Mead Corporation | Web perforating apparatus |
-
1921
- 1921-02-15 GB GB515721A patent/GB172888A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0255406A2 (en) * | 1986-08-01 | 1988-02-03 | The Mead Corporation | Web perforating apparatus |
| EP0255406A3 (en) * | 1986-08-01 | 1989-09-06 | The Mead Corporation | Web perforating apparatus |
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