FIELD: machine building.
SUBSTANCE: group of inventions relates to large diameter sealing rings producing method (versions). Method of sealing ring molding includes jointly extruded longitudinal layer of first polymer and longitudinal layer of second polymer, having higher quality and strength weld joint. Bending thermoplastic rod into round shape during heating and connecting rod heated ends by weld joint.
EFFECT: technical result, enabled by using group of inventions, consists in fact, that to increase weld joint strength as a whole, including first polymer layer weld joint.
15 cl, 10 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF MAKING SEAL RING (VERSIONS) | 2009 |
|
RU2481372C2 |
| SEALING RING | 2009 |
|
RU2492205C2 |
| SEALING AND FORMING METHOD | 2020 |
|
RU2798993C1 |
| METHOD FOR WELDING PARTS MADE OF A THERMOPLASTIC MATERIAL | 2019 |
|
RU2767025C1 |
| INTERPENETRATING POLYMER NETWORKS AS METAL SUBSTRATE COATING AND PREPARATION METHOD THEREOF | 2006 |
|
RU2389748C2 |
| INTERNAL SEALING WASHER WITH DOUBLE PROTECTION FOR FASTENERS THAT PROTECT AGAINST ELECTROMAGNETIC INFLUENCES | 2018 |
|
RU2760423C2 |
| WORM WHEEL AND METHOD TO PRODUCE WORM WHEEL COMPOSITE WORKPIECE (VERSIONS) | 2005 |
|
RU2389594C2 |
| POLYARYL ETHER KETONES CROSS-LINKING | 2019 |
|
RU2767900C1 |
| SEALING DEVICE AND DELIVERY SYSTEM | 2010 |
|
RU2557689C2 |
| METHOD OF MAKING STEEL COMPONENT BY BUTT FUSION WELDING AND COMPONENT MADE USING SAID METHOD | 2012 |
|
RU2591907C2 |
