37results about How to "Improve internal sealing" patented technology

A fluid filter device is described, where a flow attachment member provides a unique interface between the filtering element and a filter head. The fluid filter described herein generally provides a flow structure that is localized and sealed. The flow attachment member is configured to communicate fluid into and out of the fluid filter, and is configured to localize fluid flow both into and out of the fluid filter within a separating structure of the flow attachment member. The flow attachment member further includes a seal structure configured to substantially prevent or at least confine leakage to a localized area away from proximity of the edges of the housing.

The invention discloses an injection molding sealing through-wall electric connector which comprises a conductor contact, an insulator, an outer shell and a sealing ring. The conductor contact is provided with the injection molding insulator in a surrounding mode, the metal outer shell is arranged on the periphery of the injection molding insulator, a sealing groove is formed in one side of the metal outer shell, the sealing ring is arranged in the sealing groove, and the conductor contact, the insulator and the metal outer shell are integrally combined through the injection molding process. The injection molding sealing through-wall electric connector is characterized in that the conductor contact is provided with a first conical surface tightly combined with the injection molding insulator, the pressure bearing end of the outer shell is provided with a second conical surface and a third conical surface which are tightly combined with the injection molding insulator, a cavity matched with a boss of the insulator is formed in the metal outer shell, meanwhile, the metal outer shell is provided with first internal threads and second internal threads, and the first internal threads and the second internal threads are used for preventing the insulator from rotating relative to the outer shell. By means of the injection molding sealing through-wall electric connector, the injection molding process and the pressure bearing structure are adopted, the good sealing performance and the good pressure bearing performance are achieved, and the injection molding sealing through-wall electric connector is suitable for electrical signal transmission occasions in severe environments with high pressure or high temperature and high pressure and the like.

Provided are spacers, ion-exchange devices comprising spacers, and methods of preparing spacers for improved fluid distribution and sealing throughout an ion-exchange device. These spacers can include an internal cavity surrounded by a perimeter of the spacer. The perimeter can have a first opening and a second opening within the perimeter, and the first opening and the second opening can be located on opposite sides of the internal cavity. The spacers can also have a first and second plurality of channels located within the perimeter, wherein each channel of the first and second plurality of channels extends from the internal cavity towards the first opening or the second opening.

The invention discloses a construction method for a water tank for rural water supply. The construction method comprises the following steps of (a) base construction, (b) in-place of a support base, (c) installation base construction, (d) layer-by-layer construction, (e) box side board installation, (f) internal sealing construction, (g) gluing reinforcement, and (h) cover board installation. Thetechnology is simple and is reasonable and orderly from inside to outside, the sufficient operating space is ensured, flexibility and convenience are achieved, the construction difficulty is low, control is easy, the installation quality of the water tank is ensured, the volumetric quantity of the water tank can also be adjusted according to the actual situation, adaptability is high, and the formed water tank is good in anti-seepage performance, high in structural strength, stable, reliable, and long in service life.