A method of manufacturing a packaging sheet, the method being capable of not only greatly improving a heat insulation property of the packaging sheet, but also minimizing the volume of cells of the packaging sheet without opening the cells by cutting or needle-punching the cells, thereby facilitating storage and transportation of the packaging sheets while significantly reducing logistics costs.

A method of manufacturing a packaging sheet, the method being capable of not only greatly improving a heat insulation property of the packaging sheet, but also minimizing the volume of cells of the packaging sheet without opening the cells by cutting or needle-punching the cells, thereby facilitating storage and transportation of the packaging sheets while significantly reducing logistics costs.

A method of integrating a first fibrous web with a second fibrous web, said method comprising the steps of: a. providing a first absorbent fibrous web material; b. providing a topsheet comprising a second fibrous web material; c. providing an integrating means; and d. integrating said first absorbent fibrous web material and said second fibrous web material by processing through said integrating means. The step of integrating said first absorbent fibrous web material and said second fibrous web material comprises inter-entangling fibers from the first absorbent fibrous web and fibers from the second fibrous web.

A method of integrating a first fibrous web with a second fibrous web, said method comprising the steps of: a. providing a first absorbent fibrous web material; b. providing a topsheet comprising a second fibrous web material; c. providing an integrating means; and d. integrating said first absorbent fibrous web material and said second fibrous web material by processing through said integrating means. The step of integrating said first absorbent fibrous web material and said second fibrous web material comprises inter-entangling fibers from the first absorbent fibrous web and fibers from the second fibrous web.