GB2107289A - Closure member - Google Patents
Closure member Download PDFInfo
- Publication number
- GB2107289A GB2107289A GB08131116A GB8131116A GB2107289A GB 2107289 A GB2107289 A GB 2107289A GB 08131116 A GB08131116 A GB 08131116A GB 8131116 A GB8131116 A GB 8131116A GB 2107289 A GB2107289 A GB 2107289A
- Authority
- GB
- United Kingdom
- Prior art keywords
- closure member
- tubular body
- cap portion
- screw thread
- bore
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/04—Tank inlets
- B60K15/0406—Filler caps for fuel tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
- B65D39/08—Threaded or like closure members secured by rotation; Bushes therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Closures For Containers (AREA)
Abstract
A closure cap for sealing an aperture in a receiving member such as a fuel tank or other liquid container, comprises a tubular body portion (1) depending from a flanged cap portion (2), the wall (4) of the tubular body portion (1) being formed with an internal or external screw thread (5) and with slots (9, 10) extending completely through the wall (4) including the screw thread (5) to impart resilience to the tubular body (1). <IMAGE>
Description
SPECIFICATION
Closure member
This invention relates to a closure member for sealing an aperture in a receiving member such as a liquid container, and the invention particularly, but not exclusively relates to a so-called filler cap for liquid containers such as oil tanks, fuel tanks and the like.
The closure member of the present invention is designed to provide a seal for containers and the like containing liquid, where the contents are not pressurised and where it is not required to provide a completely liquid tight or air tight seal.
According to the invention there is provided a closure member for effectively sealing an opening in a receiving member, and comprising a tubular body depending from a flanged cap portion of greater overall width than the diameter of the tubular body, such that the flange of the cap portion is spaced from the body and extends over a part of the length of the body, the tubular body being provided throughout its length with a screw thread to permit the closure member to be screwed to the receiving member, and the tubular body being provided with slots extending completely through the body including the screw thread, such as to impart resilience thereto.
The threaded portion of the body preferably converges from the end terminating in the flanged cap portion to the end remote therefrom and the screw thread may be formed own the external surface of the wall of the tubular body such as to cooperate with a thread formed on the wall of an opening in the receiving member, or alternatively, the tubular body may be provided with an internal screw thread, such as to engage with a thread formed externally on a tube or pipe constituting the receiving member.
The closure member is preferably formed of plastics material, e.g. polypropylene where the member is required to be resilient or flexible, for example when used to seal oil or fuel tanks particularly those encountered in the motor vehicle industry, but the closure member may also be formed of a more rigid plastics material or of non-ferrous metal where it is required to be fitted to hoses having a diameter in excess of 3 inches.
The thread of the body portion may be of hard rubber or other compressible material, which would be dovetailed or bonded to the wall of the tubular body portion.
The flange of the cap portion of the closure member may be ribbed or grooved or of hexagonal or other regular configuration to allow the closure member to be gripped easily and firmly for screwing the closure member to the receiving member or releasing the closure member therefrom.
A preferred embodiment of the invention will now be described by way of example only with particular reference to the accompanying drawings wherein:
Figure 1 is a sectional view of the closure member of the invention showing an externally threaded tubular body;
Figures 2, 3, 4 are side elevational, plan and underneath views respectively of the closure member and
Figure 5 is a sectional view of an alternative embodiment of the invention showing an internally threaded tubular body for the closure member.
Referring to Figures 1 to 4, the closure member comprises a body portion 1 depending from and formed integrally with a flanged cap portion 2.
The body portion 1 has a bore 3 of uniform cross section and the wall 4 surrounding the bore 3 is formed with a screw thread 5 and tapers from a maximum thickness adjacent the cap portion 2 to a minimum thickness at the end of the body portion 1 remote from the cap portion 2. The flanged cap portion 2 is of greater diameter than the bore 3 of the body portion 1 and the flange 6 depends from the upper surface 7 of the cap portion over part of the length of the body portion
1, and is spaced from the threaded wall 5 of the body portion 1 as shown in Figures 1 and 2, the flange serving to prevent the entry of fluids from any external source from entering the receiving member.
The external peripheral surface of the flange 6 is ribbed as shown at 8 in Figures 2 and 3, to facilitate gripping of the closure member. The
upper surface 7 of the cap portion 2 is provided with the legends 'LOCK' and 'OPEN' as shown in
Figure 3 with associated arrows to indicate the direction the closure member is to be rotated to
effect engagement and disengagement of the
closure member with and from respectively the
opening in the receiving member.
As shown in Figure 4, the threaded wall 5 of
the body portion 1 is provided with a pair of
diametrically opposed slots 9, 10 extending
completely through the body portion including the
screw thread 5, such slots being approximately 81' wide. These slots provide resilience to the body
portion 1 thus allowing the exercise of greater
tolerance in the size of the aperture in the
receiving member, into which the closure member
is to be screwed. The slots also allow the contents
of the receiving member e.g. a container, to be
vented to atmosphere therethrough.
Stiffening ribs 11 are provided within the bore 3 on the interior surface of the cap portion 2 where the closure member is manufactured of soft or resilient material.
In an alternative embodiment of the invention, the internal wall surface of the bore 3 of the body portion 1 is threaded as shown at 12 in Figure 5, the wall section being tapered from maximum thickness adjacent the cap portion 2 to a
minimum at the end remote from the cap portion
2. Such an arrangement allows the closure
member to be screwed on to an externally threaded tube or pipe forming part of a container
or constituting the receiving member.
Although the invention has been particularly
described with reference to a filler cap for sealing a container such as the fuel tank of a vehicle, it will be appreciated that the closure member may be used to seal any appropriate receiving member such as oil and fuel tanks, nozzles, spouts, hoses, tubes or pipes, either as a temporary or semipermanent seal. The design of the closure member and in particular the flexibility thereof permits any one size of closure member to seal a range of sizes of filler or drainer pipes or tubes.
Claims (10)
1. A closure member for effectively sealing an opening in a receiving member, and comprising a tubular body depending from a flanged cap portion of greater overall width than the diameter of the tubular body, such that the flange of the cap portion is spaced from the body and extends over a part of the length of the body, the tubular body being provided throughout its length with a screw thread to permit the closure member to be screwed to the receiving member, and the tubular body being provided with slots extending completely through the body including the screw thread, such as to impart resilience thereto.
2. A closure member as claimed in claim 1 wherein the slots are diametrically opposed.
3. A closure member as claimed in claims 1 or 2 wherein the body is formed with a uniform bore, the external surface of the wall surrounding the bore being formed with said screw thread and the wall tapering from a maximum thickness adjacent the cap portion to a minimum thickness at the end of the wall remote from the cap portion.
4. A closure member as claimed in claims 1 or 2 wherein the body is formed with a tapered bore with the screw thread provided on the internal surface of the wall surrounding the bore.
5. A closure member as claimed in any preceding claim wherein at least the tubular body is formed of flexible plastics material e.g.
polypropylene.
6. A closure member as claimed in any of claims 1 to 4 wherein at least the tubular body is formed of plastics material or of non-ferrous metal.
7. A closure member as claimed in any preceding claim wherein the tubular body is formed integrally with the cap portion thereof.
8. A closure member as claimed in any preceding claim wherein the screw thread is formed of compressible material, e.g. rubber.
9. A closure member as claimed in claim 1 and manufactured of soft, resilient material, e.g.
plastics, the cap portion being provided on the under surface thereof with stiffening ribs extending into the bore of the tubular body.
10. A closure member substantially as hereinbefore described and as shown in Figures 1 to 4 or Figure 5 of the accompanying drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08131116A GB2107289A (en) | 1981-10-15 | 1981-10-15 | Closure member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08131116A GB2107289A (en) | 1981-10-15 | 1981-10-15 | Closure member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2107289A true GB2107289A (en) | 1983-04-27 |
Family
ID=10525175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08131116A Withdrawn GB2107289A (en) | 1981-10-15 | 1981-10-15 | Closure member |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2107289A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2210864A (en) * | 1987-10-14 | 1989-06-21 | Guala Spa | A closure for bottles |
| GB2306162A (en) * | 1995-10-10 | 1997-04-30 | Prelude Uk Ltd | Closure assembly for a container |
-
1981
- 1981-10-15 GB GB08131116A patent/GB2107289A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2210864A (en) * | 1987-10-14 | 1989-06-21 | Guala Spa | A closure for bottles |
| GB2210864B (en) * | 1987-10-14 | 1991-08-07 | Guala Spa | A closure for bottles particularly of fine-quality spirits |
| GB2306162A (en) * | 1995-10-10 | 1997-04-30 | Prelude Uk Ltd | Closure assembly for a container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |