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An improved barb clamp

A technology of barbs and clamps, applied in the direction of adjustable connection, hose connection device, through element, etc., can solve the problem of harmful bacteria growth and so on

Active Publication Date: 2006-11-22
SAINT GOBAIN PERFORMANCE PLASTICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This retention can lead to the growth of harmful bacteria

Method used

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  • An improved barb clamp
  • An improved barb clamp
  • An improved barb clamp

Examples

Experimental program
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Embodiment Construction

[0013] Figures 1 and 2 show a prior art barb clamp connector 10 for connecting a barb fitting 12 and flexible tubing 14, described hereafter. The barb fitting 12 is typically made of a non-metallic material that allows it to be heat welded to a polypropylene or vinyl medical bag or pouch. This and similar materials are used in biotech, pharmaceutical, medical and food fitting connections and headers. The fitting is also available in other plastics and stainless steel upon request. As shown in FIGS. 1 and 2 , barb fitting 12 may comprise different configurations, but generally includes at least one expanded or barbed end 16 to form a 360° radial compression connection with flexible tubing 14 . If the barb clamp 10 is used in a medical or pharmaceutical environment, the barb fitting 12 is preferably made of an FDA (Food and Drug Administration) approved polypropylene, silicone, TPE, TPR, etc. material. The barb fitting 12 may also include a flange portion 17 defining a stop fo...

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PUM

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Abstract

A barb clamp is provided for fluid liquid or gaseous connection to a flexible tube, the flexible tube having an inner bore defined by a predetermined inner diameter for providing a fluid flow path. The barb clamp includes a barb connector having essentially the same predetermined inner diameter and a tapered end insertable into the tube. A sleeve and collet lock over the tubing and barb connector to prevent liquid material entering between the barb and tube. The tapered end of the barb connector terminates at a point so that there is essentially no transition between the inner diameter of the tube and the inner diameter of the barb connector to provide no pressure differential in the tubing between the outside and inside of the barb clamp.

Description

technical field [0001] The invention relates to a fastening device for tubular bodies. Background technique [0002] Fluid transfer through flexible conduits is used in a wide variety of environments. Ultimately, the flexible conduit is connected to a source of gas or liquid, a delivery point for a fluid, or another flexible conduit. It is necessary to provide a secure and leak-proof connection at the end of the flexible pipe. Although these requirements are necessary in all environments where flexible tubing is used, they are particularly stringent in the fields of medicine and catering. In the field of medicine, flexible tubing and associated connections are used, for example, as luer fittings, quick connects or sanitary fittings used in blood pumps, oxygen concentrators, sleep breathing equipment, medical transport containers, IV bags, etc. In some circumstances, notably in the medical field, the presence of any liquid between the tube and the connection fitting at the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L33/00A61MF16L27/00F16L33/22
CPCA61M39/12F16L33/225F16L27/00F16L33/10
Inventor A·A·沃思
Owner SAINT GOBAIN PERFORMANCE PLASTICS CORP