# US 2014/0190978 A1 · Devices for maintaining food products at low temperature

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- Number: US 2014/0190978 A1
- Document ID: US20140190978A1
- Status: Published application
- Kind: A1
- Application number: 14/209,406
- Filed: 2014-03-13
- Published: 2014-07-10
- Earliest claimed: 2010-07-27
- Assignees: Honeywell International Inc.
- Applicants: Honeywell International Inc.
- Inventors: James M. Bowman; David J. Williams; Samuel F. Yana Motta
- Web page: https://patentgrep.com/patent/US20140190978A1

## CPC

- B65D 81/38: with thermal insulation
- B65D 81/18: providing specific environment for contents, e.g. temperature above or below ambient (with thermal insulation B65D81/38)
- C08J 9/144: {containing carbon, halogen and hydrogen only}
- C08J 2203/162: Halogenated unsaturated hydrocarbons, e.g. H2C=CF2
- C08J 2205/052: Closed cells, i.e. more than 50% of the pores are closed
- C08J 2207/04: Aerosol, e.g. polyurethane foam spray
- C08J 2375/04: Polyurethanes
- C08K 5/02: Halogenated hydrocarbons {(C08K5/0091 takes precedence)}
- 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
- C08J: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29)
- C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)

## Abstract

Disclosed is a thermal insulating device comprising: (a) a container or compartment for holding food and/or beverage in a cooled condition, said container comprising thermoformed liner having an average thickness of not greater than about 10 mm, said liner being formed at least in part from material selected from the group consisting of glass-clear polystyrene (GPPS), impact-modified polystyrene (HIPS), styrene-butadiene block copolymers, ASA, SAN, ABS, polyolefins, acrylates and methacrylates, polycarbonates (PCs), polyvinyl chloride (PVC), polyethylene terephthalate (PET) and mixtures, combinations, laminates and layers of these; and (b) thermal insulation adjacent said liner and comprising a polymeric material having closed cells therein wherein said cells are formed from and/or contain a blowing agent comprising at least about 50% by weight of transHFCO-1233zd.

## Claims

### Claim 1

A thermal insulating device for containing item(s) or fluid(s) at a temperature below ambient temperature comprising: (a) a container or compartment for holding food and/or beverage in a cooled condition, said container comprising a food grade high impact polystyrene (HIPS) thermoformed liner having an average thickness of not greater than about 10 mm; and (b) thermal insulation adjacent said liner and comprising a polymeric material having closed cells therein wherein said cells are formed from and/or contain a blowing agent comprising at least about 50% by weight of transHFCO-1233zd.

### Claim 2 (depends on 1)

The thermal insulating device of claim 1 wherein said liner has an average thickness of not greater than about 5 mm.

### Claim 3 (depends on 1)

The thermal insulating device of claim 1 wherein said liner has an average thickness of not greater than about 2 mm.

### Claim 4 (depends on 1)

The thermal insulating device of claim 1 wherein said liner has an average thickness of not greater than about 1 mm.

### Claim 5 (depends on 1)

A refrigerator comprising the thermal insulating device of claim 1.

### Claim 6 (depends on 3)

A refrigerator comprising the thermal insulating device of claim 3.

### Claim 7 (depends on 1)

A freezer comprising the thermal insulating device of claim 1.

### Claim 8 (depends on 3)

A freezer comprising the thermal insulating device of claim 3.

### Claim 9 (depends on 1)

A vending machine comprising the thermal insulating device of claim 1.

### Claim 10 (depends on 3)

A vending machine comprising the thermal insulating device of claim 3.

### Claim 11 (depends on 1)

A reach-in cooler comprising the thermal insulating device of claim 1.

### Claim 12 (depends on 3)

A reach-in cooler comprising the thermal insulating device of claim 3.

### Claim 13 (depends on 1)

A transport refrigeration unit comprising the thermal insulating device of claim 1.

### Claim 14 (depends on 3)

A transport refrigeration unit comprising the thermal insulating device of claim 3.

### Claim 15

A thermal insulating device for containing item(s) or fluid(s) at a temperature below ambient temperature comprising: (a) a container or compartment for holding food and/or beverage in a cooled condition, said container comprising thermoformed liner having an average thickness of not greater than about 10 mm, said liner being formed at least in part from material selected from the group consisting of glass-clear polystyrene (GPPS), impact-modified polystyrene (HIPS), styrene-butadiene block copolymers, ASA, SAN, ABS, polyolefins, acrylates and methacrylates, polycarbonates (PCs), polyvinyl chloride (PVC), polyethylene terephthalate (PET) and mixtures, combinations, laminates and layers of these; and (b) thermal insulation adjacent said liner and comprising a polymeric material having closed cells therein wherein said cells are formed from and/or contain a blowing agent comprising at least about 50% by weight of transHFCO-1233zd.

### Claim 16 (depends on 15)

The thermal insulating device of claim 15 wherein said liner has an average thickness of not greater than about 5 mm.

### Claim 17 (depends on 15)

The thermal insulating device of claim 15 wherein said liner has an average thickness of not greater than about 2 mm.

### Claim 18 (depends on 15)

The thermal insulating device of claim 15 wherein said liner has an average thickness of not greater than about 1 mm.

### Claim 19 (depends on 15)

A refrigerator comprising the thermal insulating device of claim 15.

### Claim 20 (depends on 17)

A refrigerator comprising the thermal insulating device of claim 17.

### Claim 21 (depends on 15)

A freezer comprising the thermal insulating device of claim 15.

### Claim 22 (depends on 17)

A freezer comprising the thermal insulating device of claim 17.

### Claim 23 (depends on 15)

A vending machine comprising the thermal insulating device of claim 15.

### Claim 24 (depends on 17)

A vending machine comprising the thermal insulating device of claim 17.

### Claim 25 (depends on 15)

A reach-in cooler comprising the thermal insulating device of claim 15.

### Claim 26 (depends on 17)

A reach-in cooler comprising the thermal insulating device of claim 17.

### Claim 27 (depends on 15)

A transport refrigeration unit comprising the thermal insulating device of claim 15.

### Claim 28 (depends on 17)

A transport refrigeration unit comprising the thermal insulating device of claim 17.
