NO742185L - - Google Patents
Info
- Publication number
- NO742185L NO742185L NO742185A NO742185A NO742185L NO 742185 L NO742185 L NO 742185L NO 742185 A NO742185 A NO 742185A NO 742185 A NO742185 A NO 742185A NO 742185 L NO742185 L NO 742185L
- Authority
- NO
- Norway
- Prior art keywords
- rib
- bottom wall
- punch
- side walls
- distance
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 description 8
- 230000003313 weakening effect Effects 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000002968 anti-fracture Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
- B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
-
- 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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
- B21D51/383—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures scoring lines, tear strips or pulling tabs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Accessories And Tools For Shearing Machines (AREA)
- Containers Opened By Tearing Frangible Portions (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US370903A US3898944A (en) | 1973-06-18 | 1973-06-18 | Score and tool for forming the score |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO742185L true NO742185L (enrdf_load_stackoverflow) | 1975-01-13 |
Family
ID=23461661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO742185A NO742185L (enrdf_load_stackoverflow) | 1973-06-18 | 1974-06-17 |
Country Status (16)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4216736A (en) * | 1979-02-02 | 1980-08-12 | Boise Cascade Corporation | Method and apparatus for forming no-fin scored metal ends |
| US4258859A (en) * | 1979-02-02 | 1981-03-31 | Boise Cascade Corporation | No-fin scored metal ends for containers |
| DE3319949A1 (de) * | 1983-06-01 | 1984-12-06 | Schmalbach-Lubeca Gmbh, 3300 Braunschweig | Verfahren und anordnung zum herstellen von aufreisslinien in metallblechen, insb. zur herstellung von aufreissdeckeln fuer dosen oder dgl. behaelter |
| US4558585A (en) * | 1984-03-19 | 1985-12-17 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Ultrasonic angle beam standard reflector |
| JP4872203B2 (ja) * | 2004-09-27 | 2012-02-08 | Ｊｆｅスチール株式会社 | 金型、缶切不要蓋、缶切不要蓋の製造方法及び缶切不要蓋用ラミネート鋼板 |
| US8122747B2 (en) | 2008-06-03 | 2012-02-28 | Stolle Machinery Company, Llc | Can end scoring method, and tooling assembly and conversion press therefor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3339789A (en) * | 1965-06-14 | 1967-09-05 | Stolle Corp | Scored metal can |
| US3583348A (en) * | 1968-03-29 | 1971-06-08 | Fraze Ermal C | Method of making an easy opening container wall |
| US3728980A (en) * | 1971-02-10 | 1973-04-24 | Fraze Ermal C | Scoring die |
-
1973
- 1973-06-18 US US370903A patent/US3898944A/en not_active Expired - Lifetime
- 1973-11-19 ZA ZA00738819A patent/ZA738819B/xx unknown
- 1973-11-23 CA CA186,585A patent/CA1028205A/en not_active Expired
-
1974
- 1974-02-09 DE DE2406306A patent/DE2406306C2/de not_active Expired
- 1974-02-25 JP JP2221874A patent/JPS547508B2/ja not_active Expired
- 1974-03-15 FR FR7408833A patent/FR2233238B1/fr not_active Expired
- 1974-05-08 AU AU68707/74A patent/AU475405B2/en not_active Expired
- 1974-05-09 SE SE7406183A patent/SE411307B/xx unknown
- 1974-05-30 CH CH743674A patent/CH571906A5/xx not_active IP Right Cessation
- 1974-06-14 GB GB2646974A patent/GB1472102A/en not_active Expired
- 1974-06-17 NO NO742185A patent/NO742185L/no unknown
- 1974-06-17 BR BR4939/74A patent/BR7404939D0/pt unknown
- 1974-06-17 DK DK323474A patent/DK323474A/da not_active Application Discontinuation
- 1974-06-18 AR AR254250A patent/AR210573A1/es active
- 1974-06-18 IT IT24105/74A patent/IT1015154B/it active
- 1974-06-18 NL NL7408172A patent/NL7408172A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2406306C2 (de) | 1984-05-17 |
| DK323474A (enrdf_load_stackoverflow) | 1975-02-17 |
| FR2233238B1 (enrdf_load_stackoverflow) | 1980-03-14 |
| GB1472102A (en) | 1977-05-04 |
| AU475405B2 (en) | 1976-08-19 |
| CH571906A5 (enrdf_load_stackoverflow) | 1976-01-30 |
| JPS5028072A (enrdf_load_stackoverflow) | 1975-03-22 |
| US3898944A (en) | 1975-08-12 |
| SE411307B (sv) | 1979-12-17 |
| FR2233238A1 (enrdf_load_stackoverflow) | 1975-01-10 |
| BR7404939D0 (pt) | 1975-01-07 |
| AR210573A1 (es) | 1977-08-31 |
| AU6870774A (en) | 1975-11-13 |
| NL7408172A (enrdf_load_stackoverflow) | 1974-12-20 |
| JPS547508B2 (enrdf_load_stackoverflow) | 1979-04-07 |
| SE7406183L (enrdf_load_stackoverflow) | 1974-12-19 |
| CA1028205A (en) | 1978-03-21 |
| IT1015154B (it) | 1977-05-10 |
| ZA738819B (en) | 1975-06-25 |
| DE2406306A1 (de) | 1975-01-09 |
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