WO1992022461A1 - Improvements relating to infusion packages - Google Patents
Improvements relating to infusion packages Download PDFInfo
- Publication number
- WO1992022461A1 WO1992022461A1 PCT/GB1992/000972 GB9200972W WO9222461A1 WO 1992022461 A1 WO1992022461 A1 WO 1992022461A1 GB 9200972 W GB9200972 W GB 9200972W WO 9222461 A1 WO9222461 A1 WO 9222461A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tea bags
- stacks
- round
- sleeve
- stack
- Prior art date
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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/38—Articles or materials enclosed in two or more wrappers disposed one inside the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B29/00—Packaging of materials presenting special problems
- B65B29/02—Packaging of substances, e.g. tea, which are intended to be infused in the package
- B65B29/028—Packaging of substances, e.g. tea, which are intended to be infused in the package packaging infusion material into filter bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B2220/00—Specific aspects of the packaging operation
- B65B2220/16—Packaging contents into primary and secondary packaging
Definitions
- This invention relates to infusion packages, and in particular concerns infusion packages in the form of tea bags.
- tea bags it is to be understood that the invention can be applied to other infusion bags where the bags contain material other than tea.
- tea bags are the most common form of infusion bag to which the present invention relates, reference will be made hereinafter only to tea bags in the interests of simplicity.
- round tea bags are arranged in stacks and are wrapped in flexible sleeves to form packages.
- the sleeves are formed of or include metallic foil and are sealed encasing the round tea bags in single or multiple stacks.
- the interior of the sleeve can be maintained isolated from the atmosphere, whereby the contents of the tea bags can be maintained in fresh condition.
- the interior of the sleeve may be flushed with an inert gas, for example nitrogen before final sealing of the sleeve takes place.
- an inert gas for example nitrogen
- the sleeve may be sealed by heat sealing, or by adhesive or by any other suitable means, and in this connection, the material of the sleeve may be a foil laminate, having on the interior surface thereof a heat sealable coating or film.
- the sleeve is preferably formed from a roll of the sleeve material which is fed to a wrapping machine, and at said machine, the stack or stacks of round tea bags is or are wrapped in the sleeve material, followed by subsequent sealing of same to form the package. In this way, the packages can be formed in a continuous manner.
- the single stacks or groups of stacks are fed from a round tea bag manufacturing machine via conveying means to the wrapping machine.
- the tea bags are grouped in two stacks each containing 20 bags, so that the resulting package is a foil sealed sachet containing 40 round tea bags arranged in two separate stacks.
- the bags may be manufactured on a machine which cuts the tea bags from webs of tea bag material between which portions of tea have been placed, said machine serving not only to connect the webs, and to cut the individual bags from such webs, but also to group the tea bags in stacks ready for transportation to the wrapping machine.
- the sleeve In order to provide that the wrapping sleeve will hold the stacks of tea bags in stable form, it is preferred that the sleeve should be a neat wrapping fit around the stack or stacks of tea bags. Additionally, it may be preferable to form the end seal at each end of the sleeve to have a curved configuration, to follow the curvature of the round tea bags.
- suitable transfer means which may comprise a conveying channel defined by side walls which keep the stack or stacks in stable condition, a rear pusher which engages the rear of the stack or rearmost stack, and a front former which holds the front end of the stack or the front stack while conveying to the wrapping machine takes place.
- the said front former and rear pusher preferably extend across the width of the channel between the walls, and may desirably be curved to follow the curvature of the tea bags.
- the tea bags are arranged in groups of two or more stacks, there may be side spacer members between respective stacks in each group, further to hold the round tea bags in stable stacked condition. It should be mentioned that it may be difficult to hold the tea bags in such arrangement in view of their shape.
- Fig. 1 is a diagrammatic perspective view of a round tea bag making machine, a transfer conveyor, and a flow wrapping machine;
- Fig. 2 is a perspective view of one of the packages according to the embodiment of the invention, which results from the manufacturing process illustrated in Fig. 1.
- tea bags 10 are produced by a machine, not shown in detail, whereby a first and lower web 12 and second and upper web 14 are brought together to form a laminated web 16, and between which webs are arranged portions 18 of tea each of a quantity for a single tea bag.
- the laminated upper and lower webs 12, 14 pass through stations of the machine whereby the webs are sealed together around the tea portions 18 by sealing rollers 20, and then the individual round tea bags 22 are cut from the webs by cutting rollers 24.
- the cut tea bags 22 pass to a magazine 26 into which the cut bags are pushed one by one by reciprocating displacers 28, and form pairs of stacks form in the magazine.
- each pair of stacks is displaced from the magazine into a feed conveyor which transports the pair of stacks 32 to a wrapping machine 33 whereat the stacks are wrapped in wrapping material 34 which forms a sleeve around the pair of stacks, and the thus wrapped stacks are severed from the remainder of the wrapping material to form a package 36 as shown in Fig. 2.
- the conveying means comprises a conveyor 30 on which the stacks are supported, and a rear pusher 38 which engages the rear of the rearmost stack, and supports the group. Additionally a front holder 40 holds the front end of the front stack 32 whereby the group is held in stable stacked condition. This is important in relation to the conveying of round tea bags in this manner. If desired there may be intermediate spacers (not shown) which lie between the two stacks of tea bags at the sides thereof in order to enhance the stability of the stacks .
- the pusher 38 and the front holder member 40 are carried by the conveyor, but the front holder member could be carried by a separate and overhead conveyor 42 simply to assist in the ejection of the groups from the manufacturing machine.
- the conveyor as shown comprises a pair of side walls 44, 46 which form adjustable guides in that the bag edges are supported lightly against these walls as conveying takes place.
- the spacing between the walls can be finely adjusted.
- the wrapping material is sealed longitudinally (48 Fig. 2) around the groups of tea bags, and this is followed by transverse sealing 50 to the front and rear of the bags.
- the sealing bars for effecting the transverse seals may form seals 52 of curved configuration, so that the seal 52 around the tea bag at each end of the package may be such as to conform to the tea bag curvature, whereby the bags will be held firmly in stacks inside the package.
- the sleeve be a neat fit around the tea bags to hold same in stable condition.
- the sealing bars need not of course be curved, and may simply be straight, but in any event, the packages are severed transversely from the remainder of the wrapping material by means of a transverse cutting device.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU18803/92A AU658895B2 (en) | 1991-06-14 | 1992-05-29 | Packaging of round tea bags |
GB9325095A GB2271549B (en) | 1991-06-14 | 1993-12-07 | Improvements relating to infusion packages |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9112920.5 | 1991-06-14 | ||
GB919112920A GB9112920D0 (en) | 1991-06-14 | 1991-06-14 | Improvements relating to infusion packages |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992022461A1 true WO1992022461A1 (en) | 1992-12-23 |
Family
ID=10696728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1992/000972 WO1992022461A1 (en) | 1991-06-14 | 1992-05-29 | Improvements relating to infusion packages |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0588991A1 (en) |
AU (2) | AU658895B2 (en) |
GB (2) | GB9112920D0 (en) |
WO (1) | WO1992022461A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2388832A (en) * | 2002-04-05 | 2003-11-26 | United Biscuits Ltd | Packaging for food items and a process for packaging such items |
DE19720419B4 (en) * | 1996-06-20 | 2005-06-16 | I.M.A. Industria Macchine Automatiche S.P.A., Ozzano Emilia | Device for producing filter bags or pouches and filter bags for infusion products |
WO2015169434A1 (en) * | 2014-05-08 | 2015-11-12 | Tecnomeccanica S.R.L. | Machine and method for packaging infusion products |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3303630A (en) * | 1964-02-27 | 1967-02-14 | Procter & Gamble | Packaging apparatus and method for cylindrical articles |
GB1444640A (en) * | 1973-12-05 | 1976-08-04 | Baker Perkins Holdings Ltd | Packaging |
FR2335401A1 (en) * | 1975-12-18 | 1977-07-15 | Joulin Gerard | PROCESS AND DEVICE FOR THE STERILE PACKAGING OF PRODUCTS, IN PARTICULAR FOOD, SUCH AS BAKED PRODUCTS |
US4801464A (en) * | 1986-06-17 | 1989-01-31 | Hubbard Jr Maury A | Single serving brewing packet and method of making same |
GB2228912A (en) * | 1989-03-09 | 1990-09-12 | Premier Brands Uk | Improvements relating to the packaging and marketing of tea bags |
WO1990013487A1 (en) * | 1989-04-28 | 1990-11-15 | A.G. (Patents) Limited | Manufacturing infusion packages |
-
1991
- 1991-06-14 GB GB919112920A patent/GB9112920D0/en active Pending
-
1992
- 1992-05-29 WO PCT/GB1992/000972 patent/WO1992022461A1/en not_active Application Discontinuation
- 1992-05-29 AU AU18803/92A patent/AU658895B2/en not_active Ceased
-
1993
- 1993-01-04 EP EP93900006A patent/EP0588991A1/en not_active Ceased
- 1993-12-07 GB GB9325095A patent/GB2271549B/en not_active Expired - Lifetime
-
1995
- 1995-02-22 AU AU13414/95A patent/AU666281B2/en not_active Ceased
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3303630A (en) * | 1964-02-27 | 1967-02-14 | Procter & Gamble | Packaging apparatus and method for cylindrical articles |
GB1444640A (en) * | 1973-12-05 | 1976-08-04 | Baker Perkins Holdings Ltd | Packaging |
FR2335401A1 (en) * | 1975-12-18 | 1977-07-15 | Joulin Gerard | PROCESS AND DEVICE FOR THE STERILE PACKAGING OF PRODUCTS, IN PARTICULAR FOOD, SUCH AS BAKED PRODUCTS |
US4801464A (en) * | 1986-06-17 | 1989-01-31 | Hubbard Jr Maury A | Single serving brewing packet and method of making same |
GB2228912A (en) * | 1989-03-09 | 1990-09-12 | Premier Brands Uk | Improvements relating to the packaging and marketing of tea bags |
WO1990013487A1 (en) * | 1989-04-28 | 1990-11-15 | A.G. (Patents) Limited | Manufacturing infusion packages |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19720419B4 (en) * | 1996-06-20 | 2005-06-16 | I.M.A. Industria Macchine Automatiche S.P.A., Ozzano Emilia | Device for producing filter bags or pouches and filter bags for infusion products |
GB2388832A (en) * | 2002-04-05 | 2003-11-26 | United Biscuits Ltd | Packaging for food items and a process for packaging such items |
GB2388832B (en) * | 2002-04-05 | 2006-01-25 | United Biscuits Ltd | Improvements in or relating to the packaging of food products |
WO2015169434A1 (en) * | 2014-05-08 | 2015-11-12 | Tecnomeccanica S.R.L. | Machine and method for packaging infusion products |
Also Published As
Publication number | Publication date |
---|---|
GB2271549A (en) | 1994-04-20 |
AU1880392A (en) | 1993-01-12 |
AU666281B2 (en) | 1996-02-01 |
GB9112920D0 (en) | 1991-08-07 |
AU658895B2 (en) | 1995-05-04 |
GB9325095D0 (en) | 1994-02-09 |
GB2271549B (en) | 1995-04-05 |
AU1341495A (en) | 1995-04-27 |
EP0588991A1 (en) | 1994-03-30 |
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