Method of making mattresses
View Patent ↗A pillow top mattress is made by first sewing a mattress core border to respective pillow top borders, forming mitered corners on each, then pulling the combined borders over the mattress core, securing the combined borders to the core material, and then adding pillow top insulation and sewing a pillow top panel to the free edge of each pillow top border.
1. A method of making a pillow-top mattress, said method comprising steps of
precutting miter notches along at least one edge of a core border strip at intervals determined according to the size of the mattress being produced,
precutting miter notches along one edge of a strip of pillow top border material at the same intervals as in the pillow top border,
attaching a flexible reinforcing flange to both one edge of the pillow top strip and one edge of the core strip, leaving one edge of the pillow top strip free, and joining edges of the miter notches together for form a combined border strip having preformed mitered corners,
pulling the combined border strip over a mattress core,
placing pillow top padding on at least one side of the core,
placing a pillow top panel over the padding, and
sewing the pillow top panel at its periphery to the free edge of the pillow top border.
2. The method of claim 1 , wherein the precutting steps are performed automatically.
3. The method of claim 1 , wherein the core comprises an inner spring, and the method comprises a step of connecting the combined border strip to the inner spring.
4. The method of claim 1 , wherein the core comprises a block of foam material.