Check valve for transport and storage containers for fluids

• US 8,561,642 B2
• Filed: 02/18/2010
• Issued: 10/22/2013
• Est. Priority Date: 11/24/2009
• Status: Active Grant

• Current Assignee: Protechna SA
• Original Assignee: Protechna SA
• Inventors: Schtz, Udo
• Primary Examiner(s): LEE, KEVIN L
• Application Number:
  US12/707,720
• Publication Number:
  US 20110120575A1
• Time in Patent Office: 1,342 Days
• Field of Search: 137/614.2, 137/527, 137/527.6, 137/527.8, 251/284, 251/144
• US Class Current: 137/614.2
• CPC Class Codes: B65D 77/0466 the containers being mounted on a pallet
• CPC Class Codes: F16K 15/03 with a hinged closure member or with a pivoted closure member
• CPC Class Codes: Y02W 30/80 Packaging reuse or recycling, e.g. of multilayer packaging bio-packaging Y02W90/10
• CPC Class Codes: Y10T 137/7837 Direct response valves [i.e., check valve type]
• CPC Class Codes: Y10T 137/7902 Valve mounted on end of pipe
• CPC Class Codes: Y10T 137/7903 Weight biased
• CPC Class Codes: Y10T 137/88054 Direct response normally closed valve limits direction of flow

Abstract

A transport and storage container for fluids having a check valve that allows the contents of the storage container to be substantially completely emptied. A valve housing of the check valve has a valve face against which a valve flap rests against in its closed state.

Claims

1. A transport and storage container for fluids comprising a closable filler neck and a draining neck for connecting a tapping valve thereto, the tapping valve having a closing device and a coupling flange for connecting the tapping valve to the draining neck of the fluid container, the transport and storage container

comprising

a check valve having a valve housing that can be inserted into the draining neck of the fluid container, the valve housing includes a stop collar that abuts a portion of the draining neck to couple the valve housing to the fluid container so that a remainder of the valve housing extends into an inflow area of the draining neck, the valve housing, including a valve located in the inflow area of the fluid container when the valve housing is inserted into the draining neck, wherein the valve located in the valve housing closes contrary to an outflow direction of fluid from the fluid container.

2. The transport and storage container according to claim 1,

wherein the valve housing of the check valve is an integral component of the tapping valve.

3. The transport and storage container according to claim 1,

wherein the valve housing of the check valve is embodied as an assembly unit, which can be handled independent of the tapping valve.

4. The transport and storage container according to claim 3,

wherein the stop collar of the valve housing abuts a stop surface of the draining neck of the fluid container.

5. The transport and storage container according to claim 4, wherein the stop surface of the draining neck, is a bore ledge.

6. The transport and storage container according to claim 1,

wherein a valve plane is defined in the valve housing and the valve is embodied as a valve flap that is arranged on a side of the valve plane facing away from the interior of the container, wherein the valve flap is pivotably coupled to the valve housing at an outer edge of the valve flap.

7. The transport and storage container according to claim 6,

wherein the valve plane is at an angle to a vertical and the valve flap is pivotably coupled to the valve housing at an upper most part of the valve flap.

8. The transport and storage container according to claim 6 or 7,

wherein the valve flap is provided with a stop device, which defines an opening angle.

9. The transport and storage container according to claim 7,

wherein the valve flap encompasses at its outer edge and near the uppermost part of the valve flap is a stop device, which is embodied as a stop rod.

10. The transport and storage container according to claim 6,

wherein the valve flap is provided with a connecting device at a position opposite to the uppermost part of the valve flap for connecting to a ballast weight.

11. The transport and storage container according to claim 10,

wherein the connecting device is arranged on the side of the valve flap, which faces away from the interior of the container.

12. The transport and storage container according to claim 1,

wherein the valve housing includes a valve bend on the side of the valve plane facing toward the interior of the container.