Method of making articles of edible or easily biodegradable material
OwnerErhard Berger, Ernst Haussenerinventors
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Abstract
The articles are made by mixing an animal protein product of meat, from which the fat has been removed by extraction with a gas in liquid or overcritical state, and starchy grain or vegetable material, plus other additives if necessary, into a mixture of semifluid to pasty consistency. The mixture obtained is extruded, with the addition of water, to form a substantially plastically workable material which is put into the desired shape by means of injection molding. The method may be used for making articles such as disposable tableware and cutlery for households and the catering trade, packaging, or casings.
Claims27
A method of making articles of edible or easily biodegradable material without using either a plasticizer or a lubricant, comprising:
- a) producing an animal connective tissue protein product by removing fat from animal connective tissue using carbon dioxide in a liquid or over critical state,
- b) mixing the animal connective tissue protein product with a starchy grain or vegetable material to form a mixture having a semifluid to pasty consistency,
- c) extruding the mixture with the addition of water to form a plastic reworkable material, and
- d) molding the extruded material by injection molding to form said articles.
A method of making articles of edible or easily biodegradable material without using either a plasticizer or a lubricant, comprising:
- a) producing connective tissue protein by removing fat from animal connective tissue using a gas in a liquid or over critical state,
- b) forming a mixture, comprising:
- i) 2-40% by weight of connective tissue protein,
- ii) 60-90% by weight of whole wheat flour,
- iii) 0-5% by weight of table salt, and
- iv) 0-10% by weight of sugar,
- the percentages by weight being relative to the total mass of the solids content,
- c) extruding the mixture with the addition of about 10% by weight of water during extrusion to form a plastically workable material, and
- d) molding the extruded material by injection molding to form said articles.
A method of making articles of edible or easily biodegradable material, without using either a plasticizer or a lubricant, comprising:
- a) producing connective tissue protein and removing fat from animal connective tissue using a gas in a liquid or over critical state,
- b) forming a mixture, comprising:
- i) 8-40% by weight of connective tissue protein,
- ii) 2-40% by weight of grain flour,
- iii) 20-90% by weight of a plant-fiber-based filler selected from the group consisting of straw, ramie and wood, and
- iv) 0-10% by weight of flavoring or colorant substances,
- the percentages by weight being relative to the total mass of the solids content,
- c) extruding the mixture with the addition of about 10% by weight of water during extrusion to form a plastically workable material, and
- d) molding the extruded material by injection molding to form said articles.
Dependencies are inferred from the claim text.