DE502330C - Device for producing concentric rows of holes or pressing on semi-automatic perforating presses - Google Patents
Device for producing concentric rows of holes or pressing on semi-automatic perforating pressesInfo
- Publication number
- DE502330C DE502330C DEH120138D DEH0120138D DE502330C DE 502330 C DE502330 C DE 502330C DE H120138 D DEH120138 D DE H120138D DE H0120138 D DEH0120138 D DE H0120138D DE 502330 C DE502330 C DE 502330C
- Authority
- DE
- Germany
- Prior art keywords
- semi
- pressing
- holes
- presses
- concentric rows
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/02—Stabbing or piercing, e.g. for making sieves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEH120138D DE502330C (en) | Device for producing concentric rows of holes or pressing on semi-automatic perforating presses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEH120138D DE502330C (en) | Device for producing concentric rows of holes or pressing on semi-automatic perforating presses |
Publications (1)
Publication Number | Publication Date |
---|---|
DE502330C true DE502330C (en) | 1930-07-10 |
Family
ID=7173527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEH120138D Expired DE502330C (en) | Device for producing concentric rows of holes or pressing on semi-automatic perforating presses |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE502330C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1111131B (en) * | 1953-11-09 | 1961-07-20 | Paula Schweppe | Device for the production of sieve plates |
-
0
- DE DEH120138D patent/DE502330C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1111131B (en) * | 1953-11-09 | 1961-07-20 | Paula Schweppe | Device for the production of sieve plates |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE502330C (en) | Device for producing concentric rows of holes or pressing on semi-automatic perforating presses | |
DE527867C (en) | Support carrier for planing machines | |
DE541210C (en) | Device for proportional mixing of two media | |
DE499007C (en) | Tapping head with conical guide mandrel | |
DE455592C (en) | Sheet feeder for platen printing presses | |
DE542715C (en) | Housekeeping table | |
DE529452C (en) | Adjustable drawing board frame | |
DE402466C (en) | Device for loosening the cock of clay teas | |
DE373392C (en) | Table for multi-blade band saws | |
DE525242C (en) | Transmission from several toggle levers connected in series | |
DE1532167B1 (en) | Cigarette with secondary air openings arranged in opposite longitudinal rows | |
DE522604C (en) | Band saw machine table with sliding roller lying across the sheet to guide the workpiece | |
DE621291C (en) | Lifting device for lower tools of press brakes | |
DE628086C (en) | Incandescent lamp socket with a push button switch operated by a movable lampshade | |
DE825649C (en) | Overrun brake with friction shoes for trailers of road vehicles | |
DE392406C (en) | Machine for grinding rolls on the circumference of a rotating grinding wheel | |
DE349484C (en) | Curve turning device with template | |
DE567730C (en) | Rack for cogwheels of cogwheel locomotives | |
DE412163C (en) | Gas burner | |
GB409305A (en) | Improvements in and relating to tables | |
DE898692C (en) | Device for forming and planting pots for young plants | |
DE483098C (en) | Fork for transplanting young plants and rows of plants | |
DE362002C (en) | Device for generating the back and forth movement of the tables of planing machines | |
DE447020C (en) | Device for reshaping reheated glass plates by pressing | |
DE483097C (en) | Fork for transplanting young plants and rows of plants |