Perforation device for a mattress layer

摘要

The present invention relates to a device (9) for providing a series of perforations (23) in a mattress layer (22), which device (9) at least comprises a punch (14) with punching pins (15) arranged in a specific matrix pattern and being positioned opposite a piercing die (16) with holes (19) arranged in rows and columns according to the same matrix pattern, in line with the aforesaid punching pins (15). The present invention furthermore relates to a method for providing a series of perforations (23) in a mattress layer (22), using such a device (9); as well as to an upper mattress (2) made of latex foam. More in particular, the present invention relates to the use of such an upper mattress (2). <IMAGE>