Foods and beverages: apparatus – Edible laminated product making apparatus – Means assembling preforms into a sandwich
Patent
1997-04-16
1999-11-02
Pyon, Harold
Foods and beverages: apparatus
Edible laminated product making apparatus
Means assembling preforms into a sandwich
994507, 118 25, 425310, 425381, 425382R, 425463, 426516, A21C 904, B29C 4730
Patent
active
059749580
DESCRIPTION:
BRIEF SUMMARY
This invention relates to cream depositing and provides a method of, and a machine for, the simultaneous deposit of two separate creams onto a biscuit base to form a dual-cream sandwich biscuit. The term `cream` as used herein is intended to relate to any form of flowable material having a paste-like consistency, typically jam and cream confections.
Machines used to deposit a single cream onto a biscuit are well known in the biscuit industry. Typical prior art machines are disclosed by United Kingdom Patent No. GB 2111365 and U.S. Pat. Nos. 3,340,824 (Talbot) and 4,162,882 (Rose). The machines so disclosed each comprise a single cream feed to rotating cream depositing heads. The feed is generally along the inside of a stationary stencil tube which has ports that are brought into register with the stencil ports mounted on a cylinder or drum, concentric with the stencil tube. The stencil drum is rotated and the ports in the stencil tube and stencil drum are so arranged as to come into register for a sufficient period of time to allow for the desired quantity of cream to be extruded from the stencil ports. Biscuits are conveyed in a timed manner so as to arrive at the creaming head to register with the stencil. The cream is usually cut from the stencil using a stationary wire in contact with the stencil drum, allowing the cream to be deposited onto the biscuit. Sets of stencils are arranged at regular angular intervals to suit the rotation speed of the stencil drum and the conveyor speed.
Methods such as these have been adapted in order to achieve a dual deposit of dissimilar creams onto biscuit bases by sequentially depositing the two creams using two creaming heads, with the biscuits being indexed from the first to the second creaming head. This has lead to difficulties in positioning the biscuits to receive the second cream deposit in a sufficiently consistent manner, especially at the high operational speeds necessary in the commercial biscuit industry.
According to one aspect of the present invention, a cream depositing machine comprises a rotatable stencil drum having first and second stencil ports disposed in close proximity, means for causing the drum to rotate, a first-cream supply means and a second-cream supply means for respectively supplying first and second cream material separately to each of the ports, cream control means within the drum and operable, in time sequence, to initially cause first cream material to issue from the first stencil port and thereafter, after angular movement of the stencil drum, to cause second cream material to issue from the second stencil port, whereby deposits of first and second cream material co-exist on the stencil drum, and means for simultaneously removing said co-existing deposits.
The cream control means may comprise a stencil tube, a flow control valve, and through-openings formed in the stencil tube for outward flow of cream material from the interior of the stencil tube.
According to a second aspect of the present invention, a method of producing co-existing deposits of first and second cream materials comprises the steps of initially creating a first deposit consisting of first cream material, and thereafter, following a timed interval, creating a second deposit, consisting of second cream material in close proximity to said first deposit, and simultaneously removing both deposits for subsequent use.
Said subsequent use may comprise placement on a biscuit or other edible artefact.
According to a third aspect of the present invention, a cream depositing machine comprises two rotatable stencil drums in tandem, a first first-cream supply means and a first second-cream supply means for supplying one of the stencil drums separately with first and second cream materials, a second first-cream supply means and a second second-cream supply means for supplying the other stencil drum separately with first and second cream materials, each stencil drum having first and second stencil ports disposed in close proximity, means for causing the drums to rotate, means for
REFERENCES:
patent: 3340824 (1967-09-01), Talbot
patent: 4162882 (1979-07-01), Rose
patent: 4469021 (1984-09-01), Rose et al.
patent: 4615264 (1986-10-01), Rose
patent: 4708054 (1987-11-01), Newbery et al.
Lilley Ian Peter
Moyses Thomas
Smith Edmund
APV UK Limited
Leyson Joseph
Pyon Harold
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