Invention Grant
- Patent Title: Method of making foam coated mat online
- Patent Title (中): 泡沫涂层垫在线制作方法
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Application No.: US10378438Application Date: 2003-03-03
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Publication No.: US06875308B2Publication Date: 2005-04-05
- Inventor: Richard Emil Kajander , Alan Michael Jaffee , Glenda B. Bennett
- Applicant: Richard Emil Kajander , Alan Michael Jaffee , Glenda B. Bennett
- Applicant Address: US CO Denver
- Assignee: Johns Manville International, Inc.
- Current Assignee: Johns Manville International, Inc.
- Current Assignee Address: US CO Denver
- Agent Robert D. Touslee
- Main IPC: B32B13/14
- IPC: B32B13/14 ; D21H13/40 ; D21H21/56 ; D21H23/28 ; D21H19/70 ; D21H19/44

Abstract:
A new foam coated nonwoven fibrous mat having properties particularly suited for a facer on gypsum wallboard, laminates made therefrom and the method of making the mat is disclosed. The mat preferably contains a major portion of glass fibers and a minor portion of a resinous binder. The foam coating is permeable and reduces fiber dust and abrasion experienced in the past with relatively coarse, relatively inexpensive glass fibers in the mat. Contrary to previous methods, the foam coated fibrous mat is made in-line on a wet mat forming production line by applying a wet foam binder onto a wet, fibrous web followed by drying and curing in-line.
Public/Granted literature
- US20030139111A1 Method of making foam coated mat online and coated mat product Public/Granted day:2003-07-24
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