DD97444A5 - - Google Patents
Info
- Publication number
- DD97444A5 DD97444A5 DD16381172A DD16381172A DD97444A5 DD 97444 A5 DD97444 A5 DD 97444A5 DD 16381172 A DD16381172 A DD 16381172A DD 16381172 A DD16381172 A DD 16381172A DD 97444 A5 DD97444 A5 DD 97444A5
- Authority
- DD
- German Democratic Republic
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
-
- 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
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
- B26F1/14—Punching tools; Punching dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH905971A CH537788A (de) | 1971-06-21 | 1971-06-21 | Verfahren und Werkzeug zum Anbringen von Löchern in einer auf einer gelochten Unterlage haftend angeordneten Folie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD97444A5 true DD97444A5 (it) | 1973-05-05 |
Family
ID=4347873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD16381172A DD97444A5 (it) | 1971-06-21 | 1972-06-19 |
Country Status (9)
| Country | Link |
|---|---|
| BE (1) | BE785103A (it) |
| CH (1) | CH537788A (it) |
| CS (1) | CS158153B2 (it) |
| DD (1) | DD97444A5 (it) |
| DE (1) | DE2227038C3 (it) |
| ES (1) | ES404493A1 (it) |
| FR (1) | FR2143001B1 (it) |
| GB (1) | GB1395525A (it) |
| IT (1) | IT959821B (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2504825A1 (fr) * | 1981-04-30 | 1982-11-05 | Molineri Georges | Procede pour faire des trous renfles dans des barres de fer portees au rouge par le feu et poincons permettant la mise en oeuvre du procede |
| CN113000669A (zh) * | 2019-12-20 | 2021-06-22 | 昊佰电子科技（上海）有限公司 | 一种定位蚀刻刀模 |
-
1971
- 1971-06-21 CH CH905971A patent/CH537788A/de not_active IP Right Cessation
-
1972
- 1972-06-02 DE DE19722227038 patent/DE2227038C3/de not_active Expired
- 1972-06-09 GB GB2709772A patent/GB1395525A/en not_active Expired
- 1972-06-14 FR FR7221357A patent/FR2143001B1/fr not_active Expired
- 1972-06-16 IT IT2577372A patent/IT959821B/it active
- 1972-06-19 ES ES404493A patent/ES404493A1/es not_active Expired
- 1972-06-19 DD DD16381172A patent/DD97444A5/xx unknown
- 1972-06-19 BE BE785103A patent/BE785103A/xx unknown
- 1972-06-21 CS CS436572A patent/CS158153B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2227038C3 (de) | 1974-06-06 |
| CH537788A (de) | 1973-06-15 |
| DE2227038B2 (de) | 1973-11-15 |
| FR2143001B1 (it) | 1973-07-13 |
| DE2227038A1 (de) | 1973-01-11 |
| CS158153B2 (it) | 1974-10-15 |
| FR2143001A1 (it) | 1973-02-02 |
| IT959821B (it) | 1973-11-10 |
| GB1395525A (en) | 1975-05-29 |
| BE785103A (fr) | 1972-10-16 |
| ES404493A1 (es) | 1975-12-16 |