CH439448A - Flat piece of material with a knockout part - Google Patents
Flat piece of material with a knockout partInfo
- Publication number
- CH439448A CH439448A CH568063A CH568063A CH439448A CH 439448 A CH439448 A CH 439448A CH 568063 A CH568063 A CH 568063A CH 568063 A CH568063 A CH 568063A CH 439448 A CH439448 A CH 439448A
- Authority
- CH
- Switzerland
- Prior art keywords
- flat piece
- knockout part
- knockout
- flat
- piece
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/081—Bases, casings or covers
- H02G3/083—Inlets
- H02G3/085—Inlets including knock-out or tear-out sections
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Punching Or Piercing (AREA)
- Switch Cases, Indication, And Locking (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US194487A US3152715A (en) | 1962-05-14 | 1962-05-14 | Knock out structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CH439448A true CH439448A (en) | 1967-07-15 |
Family
ID=22717789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH568063A CH439448A (en) | 1962-05-14 | 1963-05-06 | Flat piece of material with a knockout part |
Country Status (4)
Country | Link |
---|---|
US (1) | US3152715A (en) |
CH (1) | CH439448A (en) |
DE (1) | DE1296233B (en) |
GB (1) | GB973135A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2537273A (en) * | 1946-09-11 | 1951-01-09 | Floyd V Kennedy | Brake cylinder protection valve |
DK11278A (en) * | 1978-01-10 | 1979-07-11 | Knudsen A S | TERRING CLOSE |
US4688146A (en) * | 1986-06-16 | 1987-08-18 | General Electric Company | Molded plastic enclosure for electric service apparatus |
US4753018A (en) * | 1986-10-29 | 1988-06-28 | Whirlpool Corporation | Multivent system for dryer exhaust |
GB2218270B (en) * | 1988-02-05 | 1992-01-29 | Grawater Ltd | Electrical accessory boxes |
GB2258092A (en) * | 1991-07-11 | 1993-01-27 | John Deamer | Folding blank forming accessory box or cable trunking. |
DE102011121664A1 (en) * | 2011-12-20 | 2013-06-20 | Abb Ag | Pre-embossed flange breakout, construction or housing part with such a flange break, switching or distribution cabinet with such a construction or housing part and a system and method for pre-embossment of flange outbreaks |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1052642A (en) * | 1909-06-11 | 1913-02-11 | Chicago Fuse Mfg Company | Electric outlet-box. |
US1239243A (en) * | 1916-04-21 | 1917-09-04 | Frank Adam Electric Co | Hole-plug for junction-boxes and similar structures. |
US2357754A (en) * | 1941-05-15 | 1944-09-05 | Oswin C Moll | Outlet or junction box |
DE1794791U (en) * | 1959-02-21 | 1959-09-03 | Bbc Brown Boveri & Cie | COVER MADE OF SHEET METAL OR COMPRESSED MATERIAL WITH BREAK-OUT BLIND INSERTS FOR ELECTRICAL DEVICES. |
-
1962
- 1962-05-14 US US194487A patent/US3152715A/en not_active Expired - Lifetime
-
1963
- 1963-04-23 GB GB15986/63A patent/GB973135A/en not_active Expired
- 1963-04-30 DE DEH49021A patent/DE1296233B/en active Pending
- 1963-05-06 CH CH568063A patent/CH439448A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE1296233B (en) | 1969-05-29 |
US3152715A (en) | 1964-10-13 |
GB973135A (en) | 1964-10-21 |
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