FIELD: personal use articles.
SUBSTANCE: invention relates to the retention plate for a vacuum cleaner filtering bag containing a wall, the plate including the main plate (made of the first polymer material and containing a through hole) and a connective element (made of the second polymer material bonded to the main plate with the help of a binder) with the aim of bonding the main plate to the bag wall with the help of a binder, in particular - by way of ultrasonic welding where the connective element is positioned on the main plate side being bonded to the bag wall, with the first polymer material being other than the second polymer material.
EFFECT: design improvement.
15 cl, 4 dwg
| Title | Year | Author | Number |
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RU2459569C1 |
