EP0058176A1 - Improvements in candles - Google Patents
Improvements in candlesInfo
- Publication number
- EP0058176A1 EP0058176A1 EP81902286A EP81902286A EP0058176A1 EP 0058176 A1 EP0058176 A1 EP 0058176A1 EP 81902286 A EP81902286 A EP 81902286A EP 81902286 A EP81902286 A EP 81902286A EP 0058176 A1 EP0058176 A1 EP 0058176A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- candle
- wick
- bore
- carrier
- sleeve
- 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- Withdrawn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
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C5/00—Candles
Definitions
- the present invention relates to candles and also to parts which can be assembled together to form candles.
- the wick In order to provide an optimum exposed length of wick for burning, the wick continually needs to be trimmed since the exposed length of wick usually becomes marginally longer as the candle burns down.
- Such an optimum length of exposed wick should be neither too short and so give a small flame with insufficient light and cause the molten wax to flood the wick, nor too long and so use up wax at a faster rate and give a large smoky flame.
- An object of the present invention is to provide a candle having improved burning characteristics and which is economical in use.
- the invention consists in a candle comprising a candle body and a wick characterised in that the candle body is provided with a longitudinal bore for guiding movement of the wick relative to the candle body as the candle is consumed, said wick comprising a member of wick material and a carrier for the wick material, said carrier being capable of travelling through said bore as the candle is consumed.
- the exposed length of wick and thus the height of the flame can be controlled.
- the exposed length of wick is maintained substantially constant so as to provide a substantially constant height flame.
- the wick may begin to carbonise after a period of time, such as several hours. It may therefore be advantageous that the wick is replaceable, so that after this period of time a fresh wick may be provided. Such substitution also helps to ensure that the exposed length of wick is maintained substantially constant for more of the burning time of the candle.
- the length of exposed section of wick is chosen so that the flame is of substantially optimum height and does not normally smoke.
- the invention also provides a kit-of-parts for making a candle comprising a candle body having a longitudinal bore, a wick carrier or support and a wick for use in assembling candles according to the invention.
- the wick carrier or support is re-usable with replacement candle bodies, and several pre-cut lengths of wick are supplied with the kit.
- a plurality of candle bodies may also be supplied in the kit.
- Figure 2 is a perspective view, on a larger scale, of the upper end of the support and the wick employed in the Figure 1 embodiment,
- Figure 3 is a sectional view through the top of a further embodiment of candle according to the invention.
- Pigure 4 is a longitudinal sectional view through yet another embodiment of candle according to the invention, in which the candle body is moved relative to a support
- Figure 5 is a longitudinal sectional view through a further embodiment
- Figure 6 shows a sectional view of the top of a further embodiment of candle
- Figures 7, 7A and 7B show yet another embodiment
- Figure 8 is a sectional view of the final illustrated embodiment of candle according to the invention.
- a candle 1 comprises a generally cylindrical wax candle body 2, a carrier or support 3 made of copper or other heat conducting metal and a wick 4 mounted in the support.
- the candle body 2 has a central bore or passage 5 extending longitudinally therethrough.
- the support 3 comprises an upper end constituting a wick holder 6 wherein the wick 4 can be held in an erect position, a float part 7, and an elongate lower end part 8 depending from the float part.
- the wick holder 6 has three fingers 9 which are spaced from each other and extend upwardly from the closed base 10 of the holder. The fingers are spaced from each other and arranged to receive the lower end of the wick therebetween.
- the float part 7 is of generally cyclindrical form and may contain air, balsa wood or other suitable material (not shown) for enablin the support 3 to float in the molten wax 11 of the candle.
- the elongate lower end part 8 of the support is inserted into the longitudinal bore 5 in the candle body and the underside 7a of the float part rests on the shoulder 12 of the passage 5.
- Tue wick 4 which is stiffened with wax is inserted between the upstanding fingers 9 of the holder 6.
- the component parts of the candle are so arranged with respect to each, other that on lighting the wick 4, the flame 13 initially consumes the wick, and then heat from the flame causes the wax at the top of the candle body 2 around the support 3 to melt around the float part 7 and run on to the upper surface 7b of the float part from where wax can be drawn up to the wick 4 via the radiall extending gulleys 15 and gaps 14 between the upstanding fingers 9 so as to fuel the wick for further burning.
- the top of the candle will take on an appearance similar to that shown in Figure 1 where the support 3 is floating in the molten wax 11.
- the lower end portions 9a of the upstanding fingers are beneath the level of the surface of the molten wax indicated at L and the wick 4 is fueled by molten wax 11 reaching the wick through the gaps 14 between the fingers 9.
- heat is conducted from the flame by the metal fingers 9, which are in direct contact,with the flame, to a region of the wax at R surrounding the support 3 adjacent the upper end of the bore 5 so as to maintain the wax in that region molten and allow the support and wick to descend with the fall in level of the molten wax as the burning wick consumes wax.
- the support 3 Since the elongate lower end part 8 of the support 3 is located in the bore 5 the support is guided longitudinally down through the candle body 2 as wax is consumed. As the candle 1 burns, the support 3 floats down with the level of the molten wax thereby automatically to maintain substantially constant the exposed length E of wick 4 for burning, that is the length of wick above the molten wax. After a further period of time, for example several hours, the wick 4 may have begun to carbonise and may be discarded and replaced by a fresh length of wick.
- the carrier or support 21 comprises an elongate heat conducting part 22 which extends downwardly into an elongate bore 24 extending centrally through the candle body 23, and a flat annular stop member 25 made of either heat resisting material or heat conducting material which extends around the elongate part 22.
- the stop member 25 engages or rests on the unmolten wax surrounding the top of the bore 24 and the support 21 descends as the level of the unmolten wax falls.
- the heat conducting part 22 of the support 21 keeps the wax surrounding the support adjacent the upper end of the passage 24 molten so as to permit the support to move downwardly in the passage 24 as the level of molten wax 26 falls.
- FIG 4 shows a further embodiment in which a candle body 30 having a central elongate bore 31 extending therethrough is mounted over a heat conducting tube or rod part 33 of a carrier or support 32 which extends vertically upwardly from a base 34.
- An annular stop member 35 extends around the heat conducting rod 33 for engaging the unmelted wax material surrounding the upper end of the passage.
- a resilient means in the form of a spring 36 is located between the base 34 and the underside 31a of the candle body 30 to urge the candle body continuously against the stop member 35 so that as the wax melts, the candle body is moved upwardly on and with respect to the fixed tube 33.
- the candle body 30 may be slidably mounted in an outer casing 37, if desired.
- the single candle body 30 may be replaced by a plurality of superimposed smaller candle body elements which may be added around the rod 33 so as to maintain the overall height of the candle generally constant. If different coloured elements are used a striped effect may be achieved.
- the wick supporting part is similar to that described with reference to Figure 1 , and the stop member controls the extent of relative movement between the support and the candle body.
- the support 21,32 may be made hollow and a longer length of wick used. Holes (not shown) may be provided in the support just below the holder 6 to afford further access for the wax to reach the wick. Also, in Figure 4 if the outer casing 37 is connected with tiie support 32 or its base 34, a stop means may be formed by one or more projections extending inwardly from the casing and engaging over the peripheral edge of the candle body.
- FIG. 5 shows an embodiment in which the candle body is shown as consisting of a plurality of candle body elements 40,41,42 which are mounted one upon the other and which are threaded, by means of central longitudinal bores 43, 44,45 onto a tubular sleeve 46 to provide a rigid candle assembly.
- the candle body could be in one piece.
- the candle assembly includes a support 3 which is constructed in the same manner as the support described with reference to Figures 1 and 2 and will therefore not be described in detail again.
- the lower end part 8 of the support is a close sliding fit in the sleeve 46, whilst the upper end of the sleeve is provided with an annular flange 47 which engages with the unmelted candle body wax adjacent the mouth of the bore 43.
- the sleeve 46 descends in the bore. During downward movement of the support 3, any relative movement between the support and sleeve is facilitated because of the sliding fit and the absence of molten wax around the outside of the lower part 8 which may cause the floating support to stick.
- the lowermost candle element 42 is removably mounted on a base member 49 having a tubular recess 50 to receive the lower end of the sleeve 46 as the latter descends through the bottom of this element. Once the sleeve projects through the bottom of the lowermost element it will be appreciated that another element can be threaded onto it to build up the overall height of the candle. Candle elements may also be threaded on the lower end part 22 of the support 21 shown in Figure 3, or on the lower end part 8 of the support 3 shown in Figure 1, if these lower end parts are extended in length or short candle elements are used.
- Figure 6 shows a further simple embodiment of the invention comprising a candle body 60 having a central bore 61 in which is located a length of wick 62 whose lower end is surrounded by a metal sleeve 63 having a peripheral flange or projections 64 which rest on the unmolten candle wax adjacent the mouth of the bore 61.
- the wick, and hence the flame 65 sets itself automatically to the correct burning position relative to the molten wax and the sleeve 63 descends in the bore 61 as the candle is consumed.
- the sleeve 63 may be plain and be dimensioned to be a frictional fit in the bore 61. In this case, the sleeve may taper slightly from its upper end to its lower end.
- FIG. 7 shows a further embodiment somewhat similar to Figure 6 and corresponding parts bear the same reference numerals.
- the sleeve 63 is plain and the wick is also provided with a flame shield in the form of a ring or collar 66 extending around the wick spaced above the top of the sleeve.
- the flame 65 initially extends from the top of the sleeve
- the flame shield 66 may be made in one piece with the sleeve 63 and joined thereto, for example either by narrow strips 67 as shown in Figure 7A or by a perforated region 68 as shown in Figure 7B. Again in these embodiments the wick may be slightly tapered.
- the sleeve 63 and flame shield are made of metal and can either be parts into which the length of wick 62 is inserted or they may be metal components secured around a length of wick by a crimping or tagging operation. In the latter case a plurality of such components may be tagged onto a length of wick one after the other allong its length and the tagged lengths of wick may then be cropped off to provide individual wick/sleeve/flame shield structures for insertion in the bore of a candle body.
- the use of a flame shield reduces fluctuations in the size of the candle flame and since the flame burns at a higher position on the wick due to the presence of the collar, it assists more economical burning of the candle as the wax is not melted so quickly.
- Figure 8 shows a further embodiment in"which the candle body 70 has a central bore 71 which receives an elongate portion 72 of a wick support having a peripheral flange 73 which rests on the unmolten wax adjacent the top of the bore 71.
- the wick support also has an upstanding pin 74 on which sits the hollow end of a wick carrier 75.
- a length of wick 76 is mounted in the wick carrier 75 and is surrounded by an inverted domed or doughnut shaped collar 77. The collar serves to entrap air in its recess 78 between the collar and the surface of the molten wax, so that the wick carrier floats relative to the upstanding pin 74.
- the support 72 sinks in the bore 71 as the wax is consumed and the wick carrier 75 floats on the molten wax and is guided by the pin 74 as the molten wax is consumed by the candle fla From the above described embodiments it will be understood that in candles according to the present invention, the wicking process often used in manufacturing candles is eliminated and replaced by a simple hole drilling or other operation to form an axial bore or passage through the candle body.
- the support when the candle body has been consumed as far as possible, the support may be re-used with a fresh candle body.
- a fresh candle body may be located directly beneath the present one, as already mentioned above, so that the support can descend from the lower end of the upper candle body to the upper end of the lower one. This reduces wastage of wax since each candle body does not leave an unusable stub. It will be apparent that the pace of movement between the support and the candle body is controlled by the rate at which the level of candle body material burns down.
- the wick holder may comprise, instead of fingers, a cup or cylindrical holder with apertures in its wall for affording access of molten wax to the wick.
- a plurality of supports and wicks may be associated with a single candle body to provide, for example, a decorative arrangement of flames.
- the candle may of course having, an external configuration other than cylindrical and may be made of other suitable material than candle wax.
- the wick carrier may also support a material, e.g. a powder, which acts as the candle burns to perfume the candle or to colour the flame.
- a material e.g. a powder
- Such a material may be carried in a holder surrounding the wick carrier or collar, as is indicated in dotted lines at 69 in Fig. 7A. This avoid the necessity of impregnating the wax body of the candle with a perfume or colourant material as has hitherto been necessary.
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8027311 | 1980-08-21 | ||
GB8027311 | 1980-08-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0058176A1 true EP0058176A1 (en) | 1982-08-25 |
Family
ID=10515606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81902286A Withdrawn EP0058176A1 (en) | 1980-08-21 | 1981-08-21 | Improvements in candles |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0058176A1 (da) |
JP (1) | JPS57501287A (da) |
BR (1) | BR8108748A (da) |
DK (1) | DK174882A (da) |
IT (1) | IT1147412B (da) |
NO (1) | NO821273L (da) |
WO (1) | WO1982000658A1 (da) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997030138A1 (de) * | 1996-02-12 | 1997-08-21 | Ehrenburg Marcus L | Selbstlöschende kerze und verfahren zu deren herstellung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE590300C (de) * | 1933-12-30 | Siegel & Co G M B H | Kerzensparbrenner | |
DE1467518A1 (de) * | 1965-07-23 | 1969-01-16 | Alfons Bauer | Vorrichtung zur Verhinderung des Tropfens von Stearinkerzen |
GB1254322A (en) * | 1968-12-31 | 1971-11-17 | James R Summers | Candles |
US3958917A (en) * | 1973-09-10 | 1976-05-25 | Naz John F | Scented ring for candles |
DE2451620C2 (de) * | 1974-10-30 | 1982-03-25 | Johann Günter Wachswarenfabrik, 6968 Walldürn | Kerze |
DE2908519A1 (de) * | 1979-03-05 | 1980-09-18 | Werner Stoff | Vorrichtung zum loeschen von kerzen mit einem beweglichen docht |
DE2909687A1 (de) * | 1979-03-12 | 1980-09-18 | Werner Stoff | Kerze |
-
1981
- 1981-08-21 BR BR8108748A patent/BR8108748A/pt unknown
- 1981-08-21 EP EP81902286A patent/EP0058176A1/en not_active Withdrawn
- 1981-08-21 JP JP56502760A patent/JPS57501287A/ja active Pending
- 1981-08-21 WO PCT/GB1981/000167 patent/WO1982000658A1/en not_active Application Discontinuation
- 1981-08-21 IT IT46878/81A patent/IT1147412B/it active
-
1982
- 1982-04-20 DK DK174882A patent/DK174882A/da not_active Application Discontinuation
- 1982-04-20 NO NO821273A patent/NO821273L/no unknown
Non-Patent Citations (1)
Title |
---|
See references of WO8200658A1 * |
Also Published As
Publication number | Publication date |
---|---|
BR8108748A (pt) | 1982-06-22 |
IT1147412B (it) | 1986-11-19 |
NO821273L (no) | 1982-04-20 |
DK174882A (da) | 1982-04-20 |
WO1982000658A1 (en) | 1982-03-04 |
JPS57501287A (da) | 1982-07-22 |
IT8146878A0 (it) | 1981-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19820410 |
|
AK | Designated contracting states |
Designated state(s): AT CH DE FR LI NL SE |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AT CH DE FR LI NL SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19840110 |