Paper cord for recycling used paper
AssigneeKitakamiseishi Kabushiki Kaisha
InventorShinji Arai
Life of this patent
Estimating the term…
Abstract
Disclosed is a paper cord which is used for binding old newspaper or old magazines for recycling and which can be charged into a material dissolving apparatus together with the old newspaper or the old magazines. The paper cord is prepared by twisting a base paper which is a recycled paper characterized by a content of recycled pulp from old newspaper of 33% or more and a total content of recycled pulp including recycled pulp from other sources of 50% or more as well as by whiteness and strength equivalent to or better than those of newsprint paper and degree of sizing equivalent to that of newsprint paper for offset printing.
Claims6
A twisted paper cord comprising:
- at least 33% recycled newspaper pulp;
- at least 50% recycled pulp from sources other than newspaper;
- and
- size sufficient to produce a whiteness, strength, and degree at least equivalent to newsprint suitable for offset printing.
Dependencies are inferred from the claim text.