Beds – Support means for discrete portion of user – useable with bed... – For head or neck
Patent
1997-01-28
1997-11-25
Trettel, Michael F.
Beds
Support means for discrete portion of user, useable with bed...
For head or neck
5645, A47G 902
Patent
active
056898444
ABSTRACT:
This invention relates to an improved pillow having a multiple layer configuration. The pillow comprises an inner core, an intermediate layer and a surface layer. The inner core is integrally formed by three different materials each of which them has different elastic capability. The inner core has a corrugated outer surface. The inner core is further enclosed by an intermediate layer and is integrally formed by three different materials each of which them has different elastic capability. The intermediate layer has a smooth inner surface and a corrugated outer surface. The surface layer is made from son foam and has a smooth inner surface and a corrugated outer surface. By this arrangement, a supporting gradient is established in the resulting pillow. The pillow can be readily oriented to obtain suitable support for the head an neck portions to meet different requirements from the user. A plurality of air gaps are formed by the interference fit between the corrugated outer surface and smooth inner surface of two adjacent layers. When the pillow is compressed and released, the air trapped within the air gaps are squeezed and ventilated to provide an amiable contacting feeling to the head and neck portion. The resulting pillow can be cleaned and dehydrated by a washing machine without deforming. The resulting pillow can be readily packed by a vacuum process for storage and transportation.
REFERENCES:
patent: 3403414 (1968-10-01), Unger
patent: 3411164 (1968-11-01), Summergrade
patent: 3521310 (1970-07-01), Greenawalt
patent: 4207636 (1980-06-01), Ceriani
patent: 4799275 (1989-01-01), Sprague, Jr.
patent: 5508168 (1996-04-01), Byrne et al.
Trettel Michael F.
Zobal Arthur F.
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