GB1322137A - Electrical capacitors - Google Patents
Electrical capacitorsInfo
- Publication number
- GB1322137A GB1322137A GB852372A GB852372A GB1322137A GB 1322137 A GB1322137 A GB 1322137A GB 852372 A GB852372 A GB 852372A GB 852372 A GB852372 A GB 852372A GB 1322137 A GB1322137 A GB 1322137A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stack
- roll
- synthetic resin
- impregnated
- heat
- 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
- 239000003990 capacitor Substances 0.000 title abstract 4
- 229920003002 synthetic resin Polymers 0.000 abstract 3
- 239000000057 synthetic resin Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000004743 Polypropylene Substances 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- 239000011888 foil Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002480 mineral oil Substances 0.000 abstract 1
- 235000010446 mineral oil Nutrition 0.000 abstract 1
- 235000019271 petrolatum Nutrition 0.000 abstract 1
- -1 polypropylene Polymers 0.000 abstract 1
- 229920001155 polypropylene Polymers 0.000 abstract 1
- 230000008961 swelling Effects 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/04—Drying; Impregnating
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
1322137 Capacitors ROBERT BOSCH GmbH 24 Feb 1972 [25 Feb 1971] 8523/72 Heading H1M In a method of manufacturing wound or stacked capacitors including an impregnated paper layer and a layer of synthetic resin which shrinks on heat treatment and/or swells in the presence of the impregnant, the paper is impregnated before being incorporated in the stack or roll and the stack or roll is heat-treated to promote the shrinking and/or swelling of the synthetic resin layers. The capacitor electrodes may be zinc vapour deposited on paper layers or may be self-supporting foils. The synthetic resin may be polypropylene. The impregnant may be hard wax or petroleum jelly and optionally the stack or roll may be further impregnated with mineral oil before the heat-treatment.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712108988 DE2108988C3 (en) | 1971-02-25 | Process for the production of electrical wound capacitors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1322137A true GB1322137A (en) | 1973-07-04 |
Family
ID=5799814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB852372A Expired GB1322137A (en) | 1971-02-25 | 1972-02-24 | Electrical capacitors |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH534951A (en) |
| FR (1) | FR2126188B1 (en) |
| GB (1) | GB1322137A (en) |
| NL (1) | NL7200279A (en) |
-
1972
- 1972-01-07 NL NL7200279A patent/NL7200279A/xx unknown
- 1972-01-24 CH CH103772A patent/CH534951A/en not_active IP Right Cessation
- 1972-01-27 FR FR7202717A patent/FR2126188B1/fr not_active Expired
- 1972-02-24 GB GB852372A patent/GB1322137A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2108988A1 (en) | 1972-09-14 |
| NL7200279A (en) | 1972-08-29 |
| FR2126188A1 (en) | 1972-10-06 |
| CH534951A (en) | 1973-03-15 |
| FR2126188B1 (en) | 1974-05-10 |
| DE2108988B2 (en) | 1975-08-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |