Patents by Inventor Cornelis Henricus Jozef Van der Donk

Cornelis Henricus Jozef Van der Donk has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6024225
    Abstract: A chain of elastic bands (1) includes at least two elastic bands (3), wherein adjacent elastic bands are joined to one another by means of at least one bridging piece (4). The longitudinal direction (A) of the elastic bands preferably extends transversely to the longitudinal direction (C) of the chain of elastic bands (1). The chain of elastic bands may be produced from a flat, sheet-like web of elastic material (9), such as rubber, preferably natural rubber, in which essentially oval elastic bands (3) have been formed. The elastic bands have a constant width (B) all round. Adjacent elastic bands are preferably joined to one another by at least two bridging pieces (4), which are preferably each arranged at a transition between the adjacent longitudinal strips (5) and arc-shaped strips (6). The chain of elastic bands according to the invention can be rolled up into a roll or can be folded up to form a harmonica-like stack.
    Type: Grant
    Filed: February 5, 1997
    Date of Patent: February 15, 2000
    Assignee: Terpo Holding B.V.
    Inventors: Cornelis Henricus Jozef Van der Donk, Gerardus Dietz