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US 12,134,839 B2Granted
Method of manufacturing cushioning material, and cushioning material
AssigneeSeiko Epson Corporation
InventorSatomi Yoshioka
Life of this patent
Estimating the term…
Abstract
A method of manufacturing a cushioning material P includes a defibrating step of defibrating a cloth to produce fibers F in dry forming, a mixing step of mixing the fibers F with a bonding agent to produce a mixture, an accumulation step of accumulating the mixture in air to produce a web W, and a first forming step of pressurizing and heating the web W to form the web W.
Claims8
A method of manufacturing a cushioning material for an object to be packed, the method comprising:
- a defibrating step of defibrating, in dry forming, a cloth to produce fibers that have an aspect ratio of 0.9 or less;
- a mixing step of mixing the fibers with a bonding agent to produce a mixture;
- an accumulation step of accumulating the mixture in air to produce a web;
- a first forming step of pressurizing and heating the web to form the cushioning material;
- and
- a second forming step of, after the first forming step, forming a concave portion by pressurizing a predetermined portion of the cushioning material such that the concave portion has a shape conforming to a three-dimensional shape of the object to be packed.
3 more elements
A method of manufacturing a cushioning material for an object to be packed, the method comprising:
- a defibrating step of defibrating, in dry forming, a knit fabric to produce fibers;
- a mixing step of mixing the fibers with a bonding agent to produce a mixture;
- an accumulation step of accumulating the mixture in air to produce a web;
- a first forming step of pressurizing and heating the web to form the cushioning material;
- and
- a second forming step of, after the first forming step, forming a concave portion by pressurizing a predetermined portion of the cushioning material such that the concave portion has a shape conforming to a three-dimensional shape of the object to be packed.
3 more elements
Dependencies are inferred from the claim text.