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Publication numberUS2061124 A
Publication typeGrant
Publication dateNov 17, 1936
Filing dateJan 29, 1936
Priority dateJan 29, 1936
Publication numberUS 2061124 A, US 2061124A, US-A-2061124, US2061124 A, US2061124A
InventorsWalther George J
Original AssigneeWalther George J
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Collapsible tube closure
US 2061124 A
Abstract  available in
Images(1)
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Claims  available in
Description  (OCR text may contain errors)

Nov. 17, 1936. G. J. WALTHER COLLAPSIBLE TUBE CLOSURE Filed Jan. 29, 1936 atented cm. 17, 1936 "TED STATES PATENT OFFICE This invention appertains to new and useful improvements in closures for collapsible tubes, the principal object of the invention being to provide a cap constructed of flexible material, wherein the discharge opening is normally closed, but which will open automatically when the contents of the tube are placed under pressure, as when the tube is compressed by hand, thus permitting a discharge of the paste-or other material in the tube.

Other important objects and advantages of the invention will, become apparentto the reader of the following specification.

In the drawing:

Figure 1 represents a fragmentary side elevational view showing the cap about to be placed on a tube. 1

Figure 2 is a fragmentary detailed sectional view showing the cap in closed position.

Figure 3 represents a fragmentary detailed sectional view showing the cap in open position.

Figure 4 represents a perspective sectional view of the cap.

Referring'to the drawing wherein like numerals designate like parts, it can be seen that numeral 5 represents a collapsible tube of conventional construction, the same being provided with the vneck portion 6 having the head or shoulder 1 extending circumferentially on the same.

Numeral 8 generally refers to the cap which is constructed of some flexible material such as rubber. The cap is of cup shape having the top portion 9 and the apron portion Ill, the apron portion of which is provided with a circumferen- 5 tially extending internal grooveway ii. When this apron portion is forced over the neck 6, th shoulder portion I will be received in this grooveway H. v

The top portion 9 of the cap is provided with a short slit l2 which forms the outlet opening, while below this depends the tubular formation l3 having the beveled edge i4.

It can now be seen, that when the contents of the tube 5 are placed under hand compression, the paste or other material in the tube is forced 10 through the neck 6 and into the tubular formation [8 where the pressure of the rubber material causesexpanslon thereof and consequent opening of the opening l2, thus permitting the ma- 'terial to discharge. 16

While the foregoing specification sets forth the invention in specific terms, it is to be understood that numerous changes in the shape, size and materials may be resorted to without departing from the spirit and scope of the invention as 20 claimed hereinafter.

Having thus described the invention, what is claimed as new is:

A cap for a collapsible tube comprising a cupshaped member of elastic material having a dis- 25 charge slit in the top thereof, the elasticity of the cap normally maintaining the slit closed, and a depending tubular formation in the cap, said formation depending from the upper portion of the cap in alignment with the slit and having 30 relatively thin walls of elastic material disposed in spaced concentric relation with the walls of the cap and responsive to pressure surrounding the tubular formation to open the slit.

GEORGE J. WALTHER.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2794581 *Mar 7, 1955Jun 4, 1957Braun Fred HCaptive tube closure
US3199787 *Aug 26, 1963Aug 10, 1965Trico Products CorpWindshield washer system
US3214102 *Sep 23, 1963Oct 26, 1965Meyer Geo J Mfg CoSelf-cleaning nozzles
US5005737 *Jun 29, 1989Apr 9, 1991Seaquist ClosuresFlexible dispensing closure having a slitted resilient outlet valve and a flanged vent valve
US5115950 *Jan 14, 1991May 26, 1992Seaquist Closures A Divison Of Pittway CorporationDispensing closure with unitary structure for retaining a pressure-actuated flexible valve
US5531363 *Jun 10, 1994Jul 2, 1996Aptargroup, Inc.Dispensing closure cartridge valve system
US5924605 *Jul 1, 1997Jul 20, 1999L'orealDispensing head for a product of liquid to viscous consistency, comprising an elastic closing element and a dispensing unit thus equipped
US6095381 *Sep 5, 1996Aug 1, 2000Zeller Plastik GmbhSelf-closing seal with a sealing membrane
US6213355May 28, 1997Apr 10, 2001Zeller Plastik GmbhClosure membrane and closure employing same
US6367668Sep 30, 1997Apr 9, 2002Crown Cork & Seal Technologies CorporationSelf-closing closure and closure membrane relating to same
US7077296Jun 25, 2002Jul 18, 2006Aptargroup, Inc.Dispensing valve
US20100096417 *Dec 17, 2007Apr 22, 2010Xavier BrahimFluid product dispensing head
EP0816245A1 *Jun 18, 1997Jan 7, 1998L'orealDispensing head for dispensing a liquid-like viscous product having an elastic closing means as well as dispensing assembly comprising such device
WO1998014386A1 *Sep 30, 1997Apr 9, 1998Schwanenberg SigurdClosure membrane
Classifications
U.S. Classification222/490
International ClassificationB65D47/04, B65D47/20
Cooperative ClassificationB65D47/2031
European ClassificationB65D47/20E2