Cut-board edge-sealing method

A method of sealing a cut edge of a polymer board comprising:

• automatically advancing a polymer board including opposite cut edges;
• heating the opposite cut edges;
• and
• contacting and compressing the opposite cut edges with multiple opposite pairs of stationary, non-spinning elements having rounded or cylindrical surfaces to seal each of the opposite cut edges into a skin, wherein different pairs of stationary, non-spinning elements having rounded or cylindrical surfaces are heated to different temperatures.

A method of sealing a cut edge of a polymer board comprising:

• automatically advancing a polymer board including opposite cut edges;
• heating the opposite cut edges;
• and
• contacting and compressing the opposite cut edges with multiple opposite pairs of stationary, non-spinning elements having rounded or cylindrical surfaces to seal each of the opposite cut edges into a skin, wherein one pair of stationary, non-spinning elements having rounded or cylindrical surfaces is heated and another subsequent pair of stationary, non-spinning elements having rounded or cylindrical surfaces cold works the opposite cut edges of the board.

A method of sealing a cut edge of a polymer board comprising:

• automatically advancing a polymer board including opposite cut edges;
• heating the opposite cut edges;
• and
• contacting and compressing the opposite cut edges with multiple opposite pairs of stationary, non-spinning elements having rounded or cylindrical surfaces to seal each of the opposite cut edges into a skin, wherein a second subsequent pair of stationary, non-spinning elements having rounded or cylindrical surfaces has a lower temperature and provides more compressing pressure to the opposite cut edges of the board than a first preceding pair of stationary, non-spinning elements having rounded or cylindrical surfaces.

A method of sealing a cut edge of a polymer board comprising:

• automatically advancing a polymer board including a cut edge;
• heating the cut edge;
• contacting and compressing the cut edge with a stationary, non-spinning element having a rounded or cylindrical surface to seal the cut edge into a skin;
• and
• contacting and pushing a corner of the cut edge of the board with a stationary corner shaping element to provide a more rounded corner.

A method of sealing a cut edge of a polymer board comprising:

• automatically advancing a polymer board including opposite cut edges;
• heating the opposite cut edges;
• and
• contacting and compressing the opposite cut edges with multiple opposite pairs of stationary, non-spinning elements having rounded or cylindrical surfaces to seal each of the opposite cut edges into a skin, wherein a second pair of stationary, non-spinning elements are distanced to provide more compressing pressure to the opposite cut edges of the board than a preceding first pair of stationary, non-spinning elements that are further distanced apart than the second pair.

A method of sealing a cut edge of a polymer board comprising:

• automatically advancing a polymer board including opposite cut edges, wherein the opposite cut edges comprise cellular polyvinyl chloride;
• heating the opposite cut edges;
• contacting and compressing opposite cut edges of the board with an opposite pair of stationary, non-spinning and heated elements having rounded or cylindrical surfaces to seal each of the opposite cut edges into a skin;
• and
• contacting and pushing opposite corners of the opposite cut edges of the board with one or more pairs of stationary corner shaping elements to provide more rounded corners.