Pulp packing material and method for producing the same
AssigneeSeiko Epson Corporation
InventorMotomu Koike
Life of this patent
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Abstract
A pulp packing material comprising: a first layer containing crosslinked pulp as a main component; and a second layer containing non-crosslinked pulp or biodegradable plastics as a main component, which are produced by sheet making, wherein the first and second layers are stuck and laminated onto each other.
Claims12
A composite pulp molding container for packing comprising:
- a pulp packing material including a first layer containing crosslinked pulp as a main component and a second layer containing a non-crosslinked material as a main component, wherein said pulp packing material is molded into a shape such that said first layer constitutes an inner surface which contacts with an article to be packed in said container and said second layer constitutes an outer surface of said container.
A method for producing a composite pulp molding container for packing, comprising the steps of:
- producing a first layer containing crosslinked pulp as a main component and having a shape such that said first layer constitutes an inner surface that contacts with an article to be packed in said container on a first mold;
- producing a second layer containing non-crosslinked pulp as a main component and having a shape such that said second layer constitutes an outer surface of said container on a second mold;
- and
- sticking said first and second layers to each other while being cramped between said first and second molds to complete said container.
A method for producing a composite pulp molding container for packing comprising the steps of:
- producing a first layer containing crosslinked pulp as a main component;
- producing a second layer containing non-crosslinked material as a main component;
- forming a pulp packing material by sticking said first and second layers to each other;
- and
- molding the pulp packing material into a shape such that said first layer constitutes an inner surface which contacts with an article to be packed in said container and said second layer constitutes an outer surface of said container by press molding.
A method for producing a composite pulp molding container for packing comprising the steps of:
- producing a first layer containing crosslinked pulp as a main component and being molded into a shape such that said first layer constitutes an inner surface that contacts with an article to be packed in said container in a first mold;
- producing a second layer of biodegradable plastic, molded into a shape such that said second layer constitutes an outer surface of said container in a second mold;
- and
- sticking said molded first and second layers to each other to complete said container.
A method for producing a composite pulp molding container for packing comprising the steps of:
- producing a first layer containing crosslinked pulp as a main component;
- molding the first layer into a shape such that said first layer constitutes an inner surface which contacts with an article to be packed in said container by press molding;
- producing a second layer containing non-crosslinked material as a main component;
- molding the second layer into a shape such that said second layer constitutes an outer surface of said container by press molding;
- and
- sticking said press molded first and second layers to each other to complete said container.
Dependencies are inferred from the claim text.