B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/32
B65B 63/02 (2006.01) B65B 11/02 (2006.01)
Patent
CA 1316809
A b s t r a c t A method and an apparatus for packaging a number of substantially cylindrical packages consisting of a within certain limits elastic insulation material, for instance mineral wool, said packages having open ends, but being at their side faces surrounded by a substantially airtight foil layer, by which method the open ends of the packages are temporarily closed in an essentially airtight way, the volume encased by the foil layer and the temporary sealings being connected to a vacuum source to reduce the volume of the packages, the packages thus reduced being enclosed in a tight enclosure before the vacuum is disconnected. To use the compression by means of vacuum not only for reducing the volume of the individual packages but also for eliminating the interspaces between cylindrical packages put together, the method comprises the steps that a number of packages are placed close to one another resting on one of the end faces in a rectangular or in par- ticular cases a quadratic pattern, the airtight sleeves touching one another, on an approximately plane surface. the outline of which corresponds substantially to the volume of the closely packed packages, and in that the packages are being closed from above with a plate parallel there- with, at least one of the plates being perforated at the end surfaces of the packages and the packages being pressed closely against each other in the area close to the plates by means of holding means ; and that the enclosure around the packages is provided by wrapping the packages in a foil after having removed the holding means and before disconnecting the vacuum.
555000
Marks & Clerk
Rockwool International A/s
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