Insulated panels and shipping container incorporating said panels

a technology of insulated panels and shipping containers, applied in the field of insulated panels, can solve the problems of affecting the quality of insulated containers,

Inactive Publication Date: 2005-09-01
FAGERDALA SINGAPORE PTE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0023] In another embodiment of the invention there is provided a thermally ins

Problems solved by technology

There are benefits and disadvantages with the two general types of containers, particularly when they are used for the shipping of large quantities of goods.
Injection moulded containers can be costly to manufacture due to the tooling costs and the need to use blowing agents with EPS.
However, polyurethane tends to adhere to the wall surfaces creating disposing problems as both the outer container, polyurethane and inner liner must be disposed together.
There are also significant storage and transportation costs in respect of empty containers formed from EPS or polyurethane.
However, the effectiveness of the insulation in a modular shipping container can be less than that of an equivalent integral container due to the additional seams through which air may enter and

Method used

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  • Insulated panels and shipping container incorporating said panels
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  • Insulated panels and shipping container incorporating said panels

Examples

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Embodiment Construction

[0062] The invention is predicated on the finding that the insulation panels of the invention can, when fitted together to form a thermally insulated container, provide a container having enhanced thermal insulation properties over that expected from a similarly sized mass of foam insulation, such as rigid polyurethane or EPS insulation material. The improvement appears to be as a result of wholly encompassing the core insulation material within a polyethylene foam envelope. It is speculated that the envelope improves the insulation characteristics of core insulation material by providing an improved seal at the seams between interconnected panels. The envelope may also improve the insulation properties of the insulation material by providing an airtight covering over the core insulation material.

[0063] An insulation panel is depicted in FIGS. 1 to 4. Each panel comprises a core of insulation material and polyethylene foam. The depicted insulation panel (1) is rectangular although ...

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Abstract

The invention relates to an insulation panel for use in thermally insulated shipping containers, the panel comprising a rigid core of an insulation material, the core being wholly encompassed within a polyethylene foam envelope. A container made from the panels and a shipping carton is also described.

Description

FIELD OF THE INVENTION [0001] The invention relates to insulated panels for use in shipping containers. The invention also relates to a shipping container intended for use in shipping and storing temperature-sensitive products, such as frozen tissues and other perishable products at critical temperature or range of temperatures. BACKGROUND OF THE INVENTION [0002] A wide range of containers has been used or proposed for use in storing and transporting temperature sensitive products. Containers can include a cardboard shipping carton lined with insulating material such as expanded polystyrene (EPS), polyurethane or other foam material. The insulating material may be provided in modular panels placed together to provide a central insulated cavity. A plug or lid incorporating insulated material is generally used to seal the cavity before the carton is closed and prepared for shipping. [0003] Alternatively, the insulated material can be provided by injection moulding techniques so as to ...

Claims

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Application Information

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IPC IPC(8): B32B3/12B32B27/08B32B27/10B32B27/32B65D5/32B65D5/42B65D65/40B65D81/38B65D83/72E04B1/74F16L59/02
CPCB65D81/3862
Inventor XIAOHAI, MAOCHIN THIAM, YEOKOH PING, HONG
Owner FAGERDALA SINGAPORE PTE
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