PL2181B1 - Manufacturing of fuses insensitive to moisture and water. - Google Patents
Manufacturing of fuses insensitive to moisture and water. Download PDFInfo
- Publication number
- PL2181B1 PL2181B1 PL2181A PL218124A PL2181B1 PL 2181 B1 PL2181 B1 PL 2181B1 PL 2181 A PL2181 A PL 2181A PL 218124 A PL218124 A PL 218124A PL 2181 B1 PL2181 B1 PL 2181B1
- Authority
- PL
- Poland
- Prior art keywords
- moisture
- insensitive
- water
- fuses
- manufacturing
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 4
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 239000010426 asphalt Substances 0.000 claims description 5
- 239000010779 crude oil Substances 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 239000012188 paraffin wax Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000000899 Gutta-Percha Substances 0.000 description 2
- 240000000342 Palaquium gutta Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229920000588 gutta-percha Polymers 0.000 description 2
- 239000010408 film Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Description
Celem zmniejszenia wrazKwosci lontu na dzialanie wilgoci pokrywa sie jego kaz¬ dorazowe oprzedzenie zwyczajnie war¬ stewka masy zawierajacej jako glówny skladnik smole róznego pochodzenia. Po¬ krycie z takiej masy zwlaszcza w nizszych temperaturach latwo peka przy zginaniu i jest powodem niepozadanej nieszczelno¬ sci, tak, ze w przypadkach, kiedy jest wy¬ magana zupelna niewrazliwosc na dziala¬ nie wody, uzywa sie poza tern kosztownego pokrycia zapomoca cieniutkiej warstewki gutaperki.Niniejszy wynalazek ma na celu wytwa¬ rzanie lontów niewrazliwych na dzialanie wilgoci i wody przez pokrycie ich warstew¬ ka szczelna i niepekajaca przy zginaniu, nawet w nizszych temperaturach, a znacz¬ nie tansza od gutaperki. Polega on na tern, ze oprzedzenie lontu pokrywa sie masa zawierajaca jako glówny skladnik asfalt naftowy otrzymany jako pozostalosc desty¬ lacyjna przy przeróbce ropy wolnej od parafiny. Najlepiej nadaje sie asfalt wy¬ mienionego pochodzenia, wykazujacy punkt topnienia od 40ó do 80° C, Celem zwiekszenia niewrazliwosci takie¬ go asfaltu na zginanie lontu przy niskich temperaturach, mozna dodawac do niego jedna z frakcyj olejowych ropy naftowej niezawierajaca parafiny. PLIn order to reduce the quality of the fuse to the action of moisture, its each tear is simply covered with a layer of mass containing as the main component tar of various origins. Covering of such a mass, especially at lower temperatures, breaks easily when bent and causes undesirable leakage, so that in cases where complete water resistance is required, apart from the costly cover of a thin film gutta-percha. The present invention aims to make fuses insensitive to moisture and water by covering them with a film that is tight and non-bending, even at lower temperatures, and significantly cheaper than gutta-percha. It consists in the fact that the thinning of the fuse is covered by a mass containing as its main component petroleum asphalt obtained as a distillation residue in the processing of paraffin-free crude oil. The bitumen of the above-mentioned origin is best suited, having a melting point of 40 ° to 80 ° C. In order to increase the insensitivity of such asphalt to bending at low temperatures, one of the paraffin-free petroleum oil fractions may be added to it. PL
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2181B1 true PL2181B1 (en) | 1925-06-30 |
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