GB2476284A - Method and apparatus for creating the illusion of bubbles in a liquid within a container - Google Patents

Method and apparatus for creating the illusion of bubbles in a liquid within a container Download PDF

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Publication number
GB2476284A
GB2476284A GB0922110A GB0922110A GB2476284A GB 2476284 A GB2476284 A GB 2476284A GB 0922110 A GB0922110 A GB 0922110A GB 0922110 A GB0922110 A GB 0922110A GB 2476284 A GB2476284 A GB 2476284A
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GB
United Kingdom
Prior art keywords
layer
light transparent
sheet material
container
sheet
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Withdrawn
Application number
GB0922110A
Other versions
GB0922110D0 (en
Inventor
Graham Robert Moulding
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB0922110A priority Critical patent/GB2476284A/en
Publication of GB0922110D0 publication Critical patent/GB0922110D0/en
Priority to PCT/GB2010/002290 priority patent/WO2011073626A2/en
Publication of GB2476284A publication Critical patent/GB2476284A/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/22—Drinking vessels or saucers used for table service
    • A47G19/2205—Drinking glasses or vessels
    • A47G19/2227—Drinking glasses or vessels with means for amusing or giving information to the user
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/222—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length characterised by the shape of the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/30—Making multilayered or multicoloured articles
    • B29C43/305—Making multilayered articles
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum
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    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/18—Thermoforming apparatus
    • B29C51/20—Thermoforming apparatus having movable moulds or mould parts
    • B29C51/22—Thermoforming apparatus having movable moulds or mould parts rotatable about an axis
    • B29C51/225—Thermoforming apparatus having movable moulds or mould parts rotatable about an axis mounted on a vacuum drum
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    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
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    • B29C66/73365—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light at least one of the parts to be joined being transparent or translucent to visible light
    • B29C66/73366—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light at least one of the parts to be joined being transparent or translucent to visible light both parts to be joined being transparent or translucent to visible light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/283—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysiloxanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • 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
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/12—Means for the attachment of smaller articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/12—Means for the attachment of smaller articles
    • B65D23/14—Means for the attachment of smaller articles of tags, labels, cards, coupons, decorations or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/03—Wrappers or envelopes with shock-absorbing properties, e.g. bubble films
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    • B65D2203/00—Decoration means, markings, information elements, contents indicators

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

Packaging 10 comprising a light-transparent container 12 adapted to hold a liquid and having within said container at least one sheet 14 of composite light transparent material; comprising a first layer having many randomly located bubble or droplet shaped dimples that have a maximum dimension in the range 0.5 -5mm; and a second layer of light transparent plastic sheet material attached thereto wherein further bubbles or droplet shaped dimples are optionally located over between 1 and 20% of the second layer.

Description

Method and apparatus for creating the illusion of bubbles in a liquid within a container The present invention relates to improved means of packaging liquids so as to create the impression that the liquid contains bubbles or droplets. In particular, the invention relates to a new sheet material that may be located within a light transparent container such that when liquid is introduced therein an illusion is created that the liquid contains bubbles or droplets.
Displaying liquid products (especially those sold through retail outlets for domestic use) in containers that appeal to the eye of the purchaser is frequently of paramount importance, in their marketing. Sometimes, packagers wish to create the impression that a liquid (for example; a liquid detergent used for washing-up) contains bubbles or droplets. This effect has been created by suspending air bubbles in highly viscous fluids; for example shower-gels comprising highly viscous aerylate formulations. It is also known to employ containers where the outer wall is dimpled in order to create such an illusion. However, the effect produced is normally unconvincing.
Summary of the Invention
An aim of the present invention is to provide a method for creating a realistic illusion of such bubbles or droplets within a liquid, when this is desirable for marketing reasons.
Another aim is to create a three dimensional illusion of such bubbles or droplets. A further aim of the invention is to provide a sheet material that may be located within a light transparent container to produce such an effect. Further aims are to provide a method of making such sheet material and or inserting the material in a container. The above sheet material may in particular be used in the packaging of beverages, shower-gels, bath-gels, shampoos and domestic detergents such as washing up liquids.
In a first aspect the invention comprises a composite sheet material comprising: a first layer of light transparent polymeric sheet material with bubble or droplet shaped dimples that have a maximum dimension in the range 0.1-10mm, where the dimples are located randomly on the outer face of the first layer; a second layer of light transparent plastic sheet material positioned parallel to said first layer; and a sealing bond between at least part of said first and second layer.
In a second aspect the invention comprises a composite sheet material having a first layer of light transparent polymeric sheet material with bubble or droplet shaped dimples that have a maximum dimension in the range 0.1-10mm, where the dimples are located over between 0.1 and 20% of the outer face of the first layer; a second layer of light transparent plastic sheet material positioned generally parallel to said first layer; and a sealing bond between at least part of said first and second layer In both the first and second aspects: * Preferably, least part of the inner face of the first layer and at least part of the inner face of the second layer are joined or bonded in side by side configuration.
* Preferably, the second layer of light transparent plastic sheet is a planar. The second layer of light transparent plastic sheet may have bubble or droplet shaped dimples range 0.1-10mm, where the dimples are located over between 0.1 and 20% of the outer face of the second layer; and more preferably over 1 to 10% of the outer face.
* Preferably, the bubble or droplet shaped dimples in the first layer have a maximum dimension in the range 0.5-5mm or 1-4mm.
* Preferably second layer of light transparent plastic sheet is a planar. However, the second layer of light transparent plastic sheet may also have bubble or droplet shaped dimples that have a maximum dimension in the range 1-5mm; and the dimples may be located randomly on the outer face of the second layer. Preferably, the bubble or droplet shaped dimples in the second layer have a maximum dimension in the range 2-4mm.
* The bubble or droplet shaped dimples in the first or first and second layers are preferably generally hemispherical or hemi ellipsoidal in shape. Preferably, the first layer of light transparent polymeric sheet material is a plastics material.
In another aspect the invention comprises packaging in the form of a light-transparent container adapted to hold a liquid with composite light transparent sheet material within comprising many bubble or droplet shaped dimples that have a maximum dimension in the range 0.1-10mm, attached to a layer of light transparent plastic sheet material where the dimples are located over between 0.1 and 20% of the layer of light transparent plastic sheet material.
In another aspect the invention comprises a light-transparent container adapted to hold a liquid with a sheet of the material according to the present invention. The sheet of material may be folded or bent in a generally zigzag configuration. Preferably, the sheet of material is bent to form a curved surface or a series of curved surfaces.
In another aspect the invention comprises a method of manufacturing packaging wherein the container is made from a first portion with an orifice or an open end rim and second portion, comprising the following steps: (a) inserting said sheet material within the first portion; and (b) aligning the open rim or orifice of the first portion with a part of the second portion and sealing them one to another to form a closed container. Usually, the first or second portion will have a sealable orifice (such as a neck with a screw cap lid) to allow filling with liquid and discharge of liquid.
In another aspect the invention comprises A method of manufacturing a composite sheet material from plastic films with thermoplastic properties where a first light transparent plastic film is: (a) heated to a temperature above its softening temperature; (b) bubble or droplet shaped embossments with a maximum dimension of 0.1-10mm are then formed: at random positions on the surface; or over between 0.1 and 20% of surface, by means of a roller or vacuum mould; and (c) a second light transparent plastic film is then joined or bonded to said first film using either heat sealing or an adhesive.
Preferably, during step (c) the first and second plastic films are bonded, at least in part, face to face. Preferably, during step (c) the first and second plastic films are bonded edge to edge.
Brief Description of the Drawings
The present invention will be described by reference to Figures 1-55 in which: Figure 1 shows a perspective view of a liquid storage bottle according to the invention; Figure 2 shows a perspective view of another embodiment of a liquid storage bottle according to the invention; Figure 3 shows a sectioned and exploded perspective view of through a sheet of material according to a preferred embodiment of the invention; Figure 4 shows a plan view of the sheet of material shown in Figure 3; Figures 5-19 show sectioned side views through the sheet film for different embodiments of the present invention; Figures 20-3 1 illustrate the outer face of sheet material for different embodiments of the invention; Figures 32-51 show sectioned underneath plan views of containers according to the invention; Figures 52(a-c) and Figure 53(a-e) illustrate key steps for two embodiments of a method of manufacturing packaging according to the present invention; and Figure 54 and 55 show cross-section views of two different container bases sealed so as to avoid sharp edges.
Detailed Description of the Invention
The present invention provides means of creating an illusion of bubbles or droplets within a clear liquid stored within a light transparent container. This may be achieved by locating a flat, folded or curved sheet of material according to the invention within such a container. The packaging (10) so produced provides the desired illusion of bubbles or droplets upon insertion of the clear liquid. Figure 1 shows such packaging (10) comprising a container (12) made of light transparent plastic material and containing a single sheet of material (14) according to the invention. Figure 2 shows a similar packaging system comprising a container (12) and three separate sheets of material (20, 22, 24) according to the present invention.
Sheet material of the invention -Figures 3 shows an exploded and sectioned perspective view of a small part of a sheet material (20) according to the invention.
Figure 4 shows a plan view corresponding to Figure 3. In this example the sheet material comprises an upper first layer (32) in which many hemi-spherically shaped cavities (34) have been formed upon the surface. The diameter of the cavities varies; and they are positioned randomly upon the surface rather than in any recognisable uniform pattern.
The maximum dimension of the cavities is in the range 1-5mm. The first film used is preferably polyethylene or polypropylene and the thickness of the sheet is preferably 0.1 to 1 mm, and more preferably 0.2 to 0.5 mm. The thickness of second plastic film is preferably 0.01 to 0.1 mm, and preferably 0.02 to 0.05 mm. The first layer is bonded to a lower second planar (flat) layer (36) using a variety of bonding methods (see below).
Figures 5 to 16 show sectioned side views of a small portion of sheet material for various embodiments according to the first and second aspect of the present invention; and where the inner face of the first layer and at least part of the inner face of the second layer are joined or bonded in side by side configuration. Normally pockets of air are trapped within the cavities present in the first layer of plastic material by the second planar sheet bonded thereto. By exception, Figure 7 shows a damaged cavity. However such a cavity will still provide the desired illusion provided that it remains full of air when placed within the clear fluid.
Figures 9, 11, 12 and 14 show embodiments of the invention where the second layer of plastics material is not a planar (flat) sheet; but rather comprises a sheet with embossments similar to the first layer (Figures 9, 11 and 12) albeit sometimes with shallower embossments (Figure 14). In this case the thickness of the first and second sheets may both be in the range 0.1 to 1 mm and typically 0.25mm. While the second layer is normally bonded to the lower face of the first layer; exceptionally it may be bonded to the curved profile of the upper face, as shown in Figure 13.
Figures 17 to 19 show sectioned side views of a small portion of sheet material for various embodiments according to the first and second aspect of the present invention; where the inner face of the first layer and the inner face of the second layer are joined or bonded only at their edges. Figures 17 and 18 illustrate sheet material where both the first layer and the second layer are preferably made of a relatively rigid plastics material; this typically allows a spacing to be maintained between the first and second layer (apart from the edges); typically a spacing within the range 1-5mm. Figure 19 illustrates sheet material according to the present invention where the spacing between the sheets is relatively small; typically less than 1mm and preferably within the range 0.1 to 0.9 mm; the use of relatively rigid plastics may often offer no advantage in this configuration.
Figures 20-31 illustrate the outer face of sheet material for various embodiments of the invention with bubbles/droplets positioned randomly upon the first layer. Often the bubbles are hemispherical in shape as in Figures 29-3 1. The closeness (density) of individual bubbles can vary according to the illusion desired; in some embodiments bubbles may overlap one another (see Figure 20) in order to create an illusion of depth; this option is particularly attractive when only a single sheet of unfolded material is used (see Figure 1).
Preferred plastics used to manufacture the layers of light transparent polymeric material include polyethylene, polypropylene, polyvinyl chloride (PVC) and polyethylene terephthalate (PETP). The first layer of light transparent polymeric material may also comprise silicones. When an adhesive is used to bond the sheets this may comprise ethylene methyl acrylate (EMA).
Method of manufacturing the sheet material of the invention -The material of the present invention may be manufactured using machinery developed to manufacture a laminated cushioning material. Thus, Chavennes in US Patent 3142599 discloses a method of continuously fabricating such material using a combination of heating and embossing steps. For example; a laminated material having cushioning properties may be produced, from films with thermoplastic properties; by (a) heating a first plastic film to an embossing temperature (above the softening temperature but below the melting point) and (b) feeding the film over a roller having discrete female depressions distributed in a regular pattern over the roller to produce tablet-shaped embossments and then (c) contacting the embossed first film with a second (un-embossed) plastic film; where both the first and second films are at this point heated to a temperature near their melting point; so producing a laminated film with cushioning properties. Such films are now widely used in the packaging of fragile items during transit.
In order to manufacture the film of the present invention bubble of droplet shaped indents would be randomly positioned upon the said roller. These bubbles or droplets will vary in size; the maximum size being in the range 1-5mm. The first film used is preferably polyethylene or polypropylene and the thickness of the sheet is preferably 0.1 to 1 mm, and more preferably 0.2 to 0.5 mm. The thickness of second plastic film is preferably 0.01 to 0.1 mm, and preferably 0.02 to 0.05 mm. The thickness of the adhesive layer is preferably 0.02 to 0.05 mm, and typically 0.025mm.
The bubbles or droplets may also be formed by using vacuum moulding to produce the first embossed plastic film sheet and an adhesive to bond this film to a flat (un-embossed) second plastic sheet material. Such a method is described by Maeda in US patent 4681648. Thus, this process can also be adapted to make the material of the present invention by choice of a suitable plastic resin material and the use of a vacuum mould with the required randomly distributed bubbles or droplets; formed by depressions in the mould. In this specification randomly positioned means that they are not arranged in any regularly spaced way. However, the moulding or rolling process used means that the random placement will be repeated periodically in the same way (as for example) a wallpaper pattern is repeated.
Packaging according to the invention -Figures 32-51 show sectioned underside views of packaging containers according to different embodiments of the present invention; and in particular the configuration of the sheet or sheets of material within the light transparent container. The use of multiple curved/zigzagged sheets is preferable as it creates a three-dimensional illusion of bubbles -that is they have depth. Thus, when looking through the wall of a container a viewer would see a minimum of two overlapping layers. This would convey a sense of parallax as one layer will appear to move relative to another as the viewer changes position. Figures 32-36 illustrate the use of several flat or curved sheets; Figures 37, 39, and 42-44 illustrate the use of one or more zigzagged sheets; Figure 45 shows a helically coiled sheet. Figures 47-49 show the use of gently folded sheets that have 900 bends comprising gentle curves; Figure 48 illustrates a particularly effective configuration of this type which presents a similar illusion of bubbles in whichever side direction the container is viewed.
Method of manufacturing packaging according to the invention The simplest way of introducing material according to the present invention within a container is to roll the material and insert it through the neck of a bottle or more preferably use a container with no neck but a screw cap. In some cases the material of the invention may be too stiff to roll; for example a high density of embossments in the sheet will cause a corrugating effect that will significantly increase the stiffness of the sheet material. In this event, or when the sheet material is inserted in a bottle with a relatively small neck; then other methods of insertion are required. In such cases, the material may be inserted during the process of fabricating the container. Figures 52(a-c) and 53(a-e) illustrate two embodiments of a method of manufacturing packaging according to the invention.
Referring to Figure 52; in a first embodiment of the method an open ended plastic container, with little or no neck, manufactured by blow moulding or casting is presented with the open end uppermost and a sheet or sheets of the material according to the invention are inserted within the container through the wide and open end. Preferably the sheet material is rolled or bent (for example in a zigzag manner) before insertion. A neck portion is then attached [see Figure 52(c)] to the open end of the container; for example using high frequency welding. The container can be filled with liquid before [see Figure 52(b)] or after attaching the neck portion. Obviously, slightly more liquid can be added after the neck portion has been attached. This method is particularly suitable for hair shampoo and shower gel-type products.
Referring to Figure 53; in a second embodiment of the method a plastic container, with a neck and neck seal but with no floor portion, manufactured by blow moulding or casting is presented with the open base end uppermost [Figure 53(a)] and a sheet or sheets of the material according to the invention are inserted within the container through the open base end [Figure 53(a)]. Preferably the sheet material is rolled or bent (for example in a zigzag manner) before insertion. A floor portion [Figure 53(d)] is then attached [Figure 53(e)] to the open base end of the container; for example using high frequency welding.
The container can be filled with liquid before [Figure 53(c)] or after attaching the floor portion.
Figure 54 and 55 show cross-section views of two different container bases sealed so as to avoid sharp edges. A first portion (100) comprises the main container body with an orifice defined by a rim (102); and a second portion (104) comprises a floor member that also has a rim (106), Sheet material according to the invention may be inserted through the orifice of first portion. The rim of the orifice and the rim of the floor member are configured such that the second portion can be aligned within the orifice and then the two portions may be subsequently joined at their rims; for example by heat sealing.

Claims (20)

  1. CLAIMS1. A composite sheet material comprising: a first layer of light transparent polymeric sheet material with bubble or droplet shaped dimples that have a maximum dimension in the range 0.1-10mm, where the dimples are located randomly on the outer face of the first layer; a second layer of light transparent plastic sheet material positioned parallel to said first layer; and a sealing bond between at least part of said first and second layer.
  2. 2. A composite sheet material comprising: a first layer of light transparent polymeric sheet material with bubble or droplet shaped dimples that have a maximum dimension in the range 0.1-10mm, where the dimples are located upon up to 20% of the outer face surface area of the first layer; a second layer of light transparent plastic sheet material positioned generally parallel to said first layer; and a sealing bond between at least part of said first and second layer
  3. 3. A material according to Claim I or 2 where at least part of the inner face of the first layer and at least part of the inner face of the second layer are joined or bonded in side by side configuration.
  4. 4. A material according to any preceding claim where the second layer of light transparent plastic sheet is a planar.
  5. 5. A material according to any of Claims 1 to 3 where the second layer of light transparent plastic sheet also has bubble or droplet shaped dimples range 0.1-10mm, where the dimples are located upon up to 20% of the outer surface area face of the second layer.
  6. 6. A material according to any preceding claim where the maximum dimension of the bubble or droplet shaped dimples is in the range 0.5-5mm, or 1 -4mm.
  7. 7. A material according to any preceding claim where the bubbles or droplets are generally hemispherical or hemi ellipsoidal in shape.
  8. 8. A material according to any preceding claim where the first layer of light transparent polymeric sheet material comprises a plastics material.
  9. 9. Packaging comprising a light-transparent container adapted to hold a liquid and having within said container at least one sheet of composite light transparent material; comprising a first layer having many bubble or droplet shaped dimples that have a maximum dimension in the range 0.1-10mm; and a second layer of light transparent plastic sheet material attached thereto wherein further bubbles or droplet shaped dimples are located upon up to 20% of the surface area of the second layer.
  10. 10. Packaging comprising a light-transparent container adapted to hold a liquid with at least one sheet of the material according to any of Claims 1-8 housed within said container.
  11. 11. Packaging according to Claim 9 or 10 wherein the sheet of material is folded or bent in a generally zigzag configuration.
  12. 12. Packaging according to Claim 9 or 10 wherein the sheet of material is bent to form a curved surface, a series of curved surfaces or is in the form of a spiral.
  13. 13. A method of manufacturing packaging according to any of Claims 9 to 12 wherein the container is made from a first portion with an orifice or an open end rim and second portion, comprising the following steps: (a) inserting said sheet material of Claims 1 to 8 within the first portion; (b) aligning the open rim or orifice of the first portion with a part of the second portion and sealing them one to another to form a closed container.
  14. 14.A method according to Claim 13 where the first or second portion has a sealable orifice to allow filling and discharge of the container with a liquid.
  15. 15.A method of manufacturing a composite sheet material from a first light transparent polymeric film and a second light transparent plastic film with thermoplastic properties where: (a) bubble or droplet shaped embossments with a maximum dimension of 0.1-10mm are formed: at random positions on the surface of said first polymeric film; or up to 20% of surface, by means of a roller and/or vacuum assisted mould; and (b) said second light transparent plastic film is then joined or bonded, at least in part, to said first film using either heat sealing or an adhesive.
  16. 16. A method according to Claim 15 where said first polymeric film has thermoplastic properties and where said first polymeric film is heated to a temperature above its softening temperature prior to step (a).
  17. 17.A method according to Claim 15 or 16 where during step (b) the first and second plastic films are bonded, at least in part, face to face.
  18. 18.A method according to Claim 15 or 16 where during step (c) the first and second plastic films are bonded edge to edge.
  19. 19. A method according to any of Claims 15 to 18 where first layer of light transparent polymeric sheet material comprises a plastics material.
  20. 20. A method according to any of Claims 15 to 18 where first layer of light transparent polymeric sheet material comprises a silicone material.
GB0922110A 2009-12-18 2009-12-18 Method and apparatus for creating the illusion of bubbles in a liquid within a container Withdrawn GB2476284A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0922110A GB2476284A (en) 2009-12-18 2009-12-18 Method and apparatus for creating the illusion of bubbles in a liquid within a container
PCT/GB2010/002290 WO2011073626A2 (en) 2009-12-18 2010-12-17 Method and apparatus for creating the illusion of bubbles in a liquid within a container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0922110A GB2476284A (en) 2009-12-18 2009-12-18 Method and apparatus for creating the illusion of bubbles in a liquid within a container

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GB0922110D0 GB0922110D0 (en) 2010-02-03
GB2476284A true GB2476284A (en) 2011-06-22

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
GB2503487A (en) * 2012-06-27 2014-01-01 Graham Robert Moulding Packaging with dimpled inner sheet

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GB2316652A (en) * 1996-08-29 1998-03-04 Jiffy Packaging Co Ltd Cushioning material for protective bags
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GB2349631A (en) * 1999-05-04 2000-11-08 Wall Design Co Ltd Label disposed freely within bottle
WO2002002308A1 (en) * 2000-06-29 2002-01-10 Seckel Peter H Domed packing material
EP1338413A1 (en) * 2002-02-25 2003-08-27 Sealed Air Corporation (US) Laminated cushioning article having recycled polyester barrier layer
US6978561B1 (en) * 2003-10-20 2005-12-27 David Gavin Hunter Bubble greeting card
JP2006159745A (en) * 2004-12-09 2006-06-22 Kawakami Sangyo Co Ltd Plastic bubble sheet with mark and its production apparatus
WO2009038859A1 (en) * 2007-07-13 2009-03-26 Sealed Air Corporation Cellular cushioning article and roll

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2651870A (en) * 1951-07-24 1953-09-15 Ritepoint Co Ornamental device for pyrophoric lighters
US3142599A (en) * 1959-11-27 1964-07-28 Sealed Air Corp Method for making laminated cushioning material
US4181548A (en) * 1978-03-06 1980-01-01 Weingarten Joseph L Laminated plastic packaging material
US4582498A (en) * 1983-12-22 1986-04-15 Tamada Giken Kabushiki Kaisha Toy with floating ornament enclosed in transparent vessel
US5292564A (en) * 1992-03-11 1994-03-08 Lee Vincent K W Fluid-contained display ornament
US5484318A (en) * 1995-03-06 1996-01-16 Mayert; Todd M. Stress reduction kit
WO1997003887A1 (en) * 1995-07-18 1997-02-06 Colgate-Palmolive Company Container with three-dimensional designs
GB2316652A (en) * 1996-08-29 1998-03-04 Jiffy Packaging Co Ltd Cushioning material for protective bags
DE29822179U1 (en) * 1998-12-12 1999-04-01 Asam, Erich, 83684 Tegernsee Container consisting of at least partially transparent walls
GB2349631A (en) * 1999-05-04 2000-11-08 Wall Design Co Ltd Label disposed freely within bottle
WO2002002308A1 (en) * 2000-06-29 2002-01-10 Seckel Peter H Domed packing material
EP1338413A1 (en) * 2002-02-25 2003-08-27 Sealed Air Corporation (US) Laminated cushioning article having recycled polyester barrier layer
US6978561B1 (en) * 2003-10-20 2005-12-27 David Gavin Hunter Bubble greeting card
JP2006159745A (en) * 2004-12-09 2006-06-22 Kawakami Sangyo Co Ltd Plastic bubble sheet with mark and its production apparatus
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2503487A (en) * 2012-06-27 2014-01-01 Graham Robert Moulding Packaging with dimpled inner sheet

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