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Filter device

A filter, non-permeable technology, used in the field of disposable fluid filter devices, can solve the problem of increasing waste

Inactive Publication Date: 2013-09-11
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Larger size also results in more waste when disposing of the product

Method used

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Embodiment Construction

[0025] figure 1 Shown is a substantially planar filter element 10 comprising at least one filter medium 12, wherein the filter medium has planarly arranged pleats 14 with folds 14a. Filter media 12 may be formed from a single material or a composite of materials suitable for use alone or in combination to meet the various filtration, structural support, drainage, and flow requirements of a selected application. Such materials may include, for example, membranes (e.g., nylon, polyethersulfone, polytetrafluoroethylene, polypropylene, etc.), nonwovens, polymeric meshes, apertured membranes, fibrous media (often made of materials such as glass fibers, silicon Materials such as algal earth, perlite, cellulose, and binder resins are produced by wet-laid papermaking-style operations), non-fibrous media, depth filter media, absorbent media, charge-modified media, or are found to be beneficial for a given application Any other material that can be constructed into a substantially flat...

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Abstract

A filter device is disclosed. The device includes at least one substantially flat filter media that may be encapsulated between non-permeable films. Some embodiments comprise ports for introducing a fluid to be filtered and for evacuating the filtered fluid. Various substrates may be employed therein in cooperation with the at least one filter media to enhance device performance. Also disclosed are various apparatuses configured to contain at least one filter device.

Description

technical field [0001] The present invention generally relates to fluid filter devices and methods of making and using the same. More specifically, the present invention relates to disposable fluid filter devices having polymeric membranes. Background technique [0002] There are many fluid filter products currently available for research, development and manufacturing. Some of these products have certain types of disposable filter media designed to decontaminate or sterilize fluid sources. Disposable filter media is typically provided in a reusable metal housing. The metal housing comes into contact with the fluid being processed, typically cleaning or sterilizing it during filter media changes. To reduce the risk of contamination between filter changes and product batch changes, disposable filter cartridges have been developed that avoid fluid contact with reusable housings. Such products are often relatively bulky and heavy, making them less easy to handle. Larger si...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D39/00B01D35/00
CPCB01D25/26B01D2201/02B01D29/016B01D29/213B01D29/031B01D29/52B01D29/05B01D29/50B01D35/1573
Inventor 杰弗里·A·卢卡斯
Owner 3M INNOVATIVE PROPERTIES CO
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