US 9,555,956 B2 · Food packaging material having uniform coating of oil, method of manufacturing the same, mold for manufacturing the same

Abstract

The present invention relates to a food packaging material for packing food, more particularly to a food packaging material having a uniform coating of oil, a method of manufacturing the same, and a mold for manufacturing the same. The food packaging material includes a plurality of grooves formed on one surface of the food packaging material; and an oil layer uniformly applied to the one surface of the food packaging material, being put into the grooves. According to the present invention, there are provided a food packaging material which continuously maintains a uniform coating of oil and thus minimizes sticking of contents to a surface of the packaging material, a method of manufacturing the same, and a mold for manufacturing the same.

Claims8

Dependent claims

A method of manufacturing a food packaging material having a uniform coating of oil, the method comprising:

(a) preparing a mold including a plurality of prism bodies;
(b) forming a plurality of grooves on one surface of a food packaging material corresponding to the prism bodies by pressing the mold to the food packaging material;
and
(c) forming an oil layer on the one surface of the food packaging material, wherein the grooves are filled with oil.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

14/344,215Filed 27 Oct 2011

Priority

KR 10-2011-009517021 Sep 2011

Published

US 2014/0234585 A121 Aug 2014

Granted

31 Jan 2017

Term ends

Not estimatedThe source records don’t support an estimate.

Classification19 codes

B29C 33/424
Characterised by the shape of the moulding surface, e.g. ribs or grooves: moulding surfaces provided with means for marking or patterning
B05D 1/26
Processes for applying liquids or other fluent materials: performed by applying the liquid or other fluent material from an outlet device in…
B29C 33/38
Moulds or cores; Details thereof or accessories therefor: characterised by the material or the manufacturing process
B29C 33/56
Moulds or cores; Details thereof or accessories therefor: coatings , e.g. enameled or galvanised; Releasing, lubricating or separating agents

Food packaging material having uniform coating of oil, method of manufacturing the same, mold for manufacturing the same

Life of this patent

Food packaging material having uniform coating of oil, method of manufacturing the same, mold for manufacturing the same

Life of this patent

Abstract

Claims8