NL6812370A - - Google Patents
Info
- Publication number
- NL6812370A NL6812370A NL6812370A NL6812370A NL6812370A NL 6812370 A NL6812370 A NL 6812370A NL 6812370 A NL6812370 A NL 6812370A NL 6812370 A NL6812370 A NL 6812370A NL 6812370 A NL6812370 A NL 6812370A
- Authority
- NL
- Netherlands
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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/496—Multiperforated metal article making
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- ing And Chemical Polishing (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66488167A | 1967-08-31 | 1967-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6812370A true NL6812370A (xx) | 1969-03-04 |
Family
ID=24667834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6812370A NL6812370A (xx) | 1967-08-31 | 1968-08-30 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3563819A (xx) |
| CH (1) | CH497249A (xx) |
| DE (1) | DE1752759B2 (xx) |
| FR (1) | FR1580590A (xx) |
| GB (1) | GB1228017A (xx) |
| NL (1) | NL6812370A (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3769110A (en) * | 1971-05-14 | 1973-10-30 | Micron Instr | Diaphragm for low-pressure transducers |
| US3991455A (en) * | 1972-04-10 | 1976-11-16 | Alfred Bergeron | Coupled piston ring method of manufacture |
| US3932932A (en) * | 1974-09-16 | 1976-01-20 | International Telephone And Telegraph Corporation | Method of making multilayer printed circuit board |
| US5004521A (en) * | 1988-11-21 | 1991-04-02 | Yamaha Corporation | Method of making a lead frame by embossing, grinding and etching |
| US10189100B2 (en) | 2008-07-29 | 2019-01-29 | Pratt & Whitney Canada Corp. | Method for wire electro-discharge machining a part |
| CN110740582A (zh) * | 2019-09-10 | 2020-01-31 | 黄石市星光电子有限公司 | 一种新型pcb蚀刻退膜防溶锡液 |
-
1967
- 1967-08-31 US US664881A patent/US3563819A/en not_active Expired - Lifetime
-
1968
- 1968-07-11 DE DE19681752759 patent/DE1752759B2/de active Granted
- 1968-07-24 GB GB1228017D patent/GB1228017A/en not_active Expired
- 1968-08-23 FR FR1580590D patent/FR1580590A/fr not_active Expired
- 1968-08-26 CH CH1276868A patent/CH497249A/de not_active IP Right Cessation
- 1968-08-30 NL NL6812370A patent/NL6812370A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH497249A (de) | 1970-10-15 |
| GB1228017A (xx) | 1971-04-15 |
| DE1752759B2 (de) | 1973-02-08 |
| DE1752759A1 (de) | 1971-05-19 |
| FR1580590A (xx) | 1969-09-05 |
| US3563819A (en) | 1971-02-16 |