Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1994-09-22
1996-07-16
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156104, 156105, 156106, B32B 3120, B32B 1710
Patent
active
055363474
ABSTRACT:
A no autoclave process for forming a safety laminate which involves interposing a plasticized polyvinyl butyral sheet having a water content of 0.2 weight percent or more between a pair of glass layers to form a laminate assembly, enclosing at least the edges of the assembly in a sealed space, subjecting the sealed space to vacuum to deair the laminate assembly, heating the deaired laminate assembly to a temperature sufficient to seal the edges of the glass layers and plasticized polyvinyl butyral sheet and then subjecting the laminate assembly to a temperature and for a time sufficient to bond the glass layers to the sheet while reducing the vacuum to an extent effective to counteract water bubble formation in the sheet to form a safety laminate meeting the American National Standards Code for Safety Glazing Materials.
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Ball Michael W.
Lorin Francis J.
Monsanto Company
Murphy Michael J.
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