Patent · US Active

Process for producing absorbent core structures

US8784594B2 · kind B2 · utility

67Cited by
53References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 2012
Grant dateJul 22, 2014
Priority date
Expiry dateDec 21, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24628
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The present invention is method for forming a sandwich structure having a pattern of particulate material enveloped between a carrier material and a cover material. The method allows accurate forming of pre-determined pattern at high production speed. Such a method is particularly useful in the manufacture of disposable absorbent articles, such as baby diapers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.