Apparatus for distributing a release agent for use in the manufacture of ligno-cellulosic composite materials

An apparatus for manufacturing orientated strand board comprising:

• (1) a means for coating wood strands with at least one organic polyisocyanate binder,
• (2) a means for forming a mat of said coated wood strands,
• (3) a device for distributing a release agent upon said mat and a conveyer belt used to transport said mat, said device comprising;
• (a) a means producing a pressurized stream of water;
• (b) a means for metering a controlled quantity of a soap based release agent into a pressurized water stream to form a pressurized aqueous solution having a controlled dilution ratio of soap to water;
• (c) at least one manifold connected to receive said pressurized aqueous solution;
• (d) a plurality of nozzles mounted upon said manifold to uniformly distribute said pressurized aqueous solution upon said mat and said belt, wherein mat and said belt move unidirectionally along a fixed path at a predetermined variable speed and wherein said mat and said belt are defined by a surface area of length multiplied by a fixed width, such that the surface are of the mat and the belt moving past a fixed point for a predetermined period of time is a function of the speed at which said mat and said belt move past said point;
• (4) means for hot pressing said mat to bind and shape said coated wood strands into a composite board.
• (5) at least one regulating means for regulating the dilution ratio of said soap to water by regulating the quantity of said soap metered into the pressurized water stream, said quantity of soap being correlative with the speed of the planar surface so as to maintain a relatively constant measure of soap per unit of surface area as the speed said mat and said belt is varied;
• and
• (6) an automatic control system for controlling the quantity of said soap correlative with the speed of said mat and said belt.

An apparatus for distributing a release agent comprising:

• a means for producing a pressurized stream of water
• means for metering a controlled quantity of a release agent into a pressurized water stream to form a pressurized aqueous solution having a controlled dilution ratio of release agent to water;
• at least one manifold connected to receive said pressurized aqueous solution;
• a plurality of nozzles mounted upon said manifold to uniformly distribute said pressurized aqueous solution upon at least one surface, said surface is a moving planar surface moving unidirectionally along a fixed path at a predetermined variable speed and defined by a surface area of length multiplied by width, said planar surface having a fixed width wherein the surface area moving past a fixed point for a predetermined period of time is a function of the speed of the planar surface moving past said point;
• and
• an automatic control system for controlling the quantity of said release agent correlative with the speed of the planar surface.

An apparatus for manufacturing orientated strand board comprising:

• (1) a means for coating wood strands with at least one organic polyisocyanate binder,
• (2) a means for forming a mat of said coated wood strands,
• (4) a device for distributing a release agent upon said mat and a conveyer belt used to transport said mat, said device comprising;
• (a) a means producing a pressurized stream of water;
• (b) a means for metering a controlled quantity of a release agent into a pressurized water stream to form a pressurized aqueous solution having a controlled dilution ratio of release agent to water;
• (c) at least one manifold connected to receive said pressurized aqueous solution;
• (d) a plurality of nozzles mounted upon said manifold to uniformly distribute said pressurized aqueous solution upon said mat and said belt, wherein mat and said belt move unidirectionally along a fixed path at a predetermined variable speed and wherein said mat and said belt are defined by a surface area of length multiplied by a fixed width, such that the surface are of the mat and the belt moving past a fixed point for a predetermined period of time is a function of the speed at which said mat and said belt move past said point;
• (4) means for hot pressing said mat to bind and shape said coated wood strands into a composite board.
• (5) at least one regulating means for regulating the dilution ratio of said release agent to water by regulating the quantity of said release agent metered into the pressurized water stream, said quantity of release agent being correlative with the speed of the planar surface so as to maintain a relatively constant measure of release agent per unit of surface area as the speed said mat and said belt is varied;
• and
• (6) an automatic control system for controlling the quantity of said release agent correlative with the speed of said mat and said belt.