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US 5,395,039 AGranted
Method of making a filter assembly
AssigneePall Corporation
InventorsPaul C. Koehler, Michael B. Whitlock, Vijay Y. Rajadhyaksha, Ezekiel E. Westfall
Life of this patent
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Abstract
A method of making a filter assembly is described wherein a filter pack is seated in an end cap and contacted with a mixture comprising a binder and a particulate material including a low temperature component and a high temperature component. The filter pack, the end cap, and the particulate material are heat treated to form a strong, effective bond.
Claims9
A method of making a filter assembly comprising the steps of:
- seating a filter pack in an end cap;
- contacting the filter pack and the end cap with a mixture including a binder and a particulate material, the particulate having a low temperature component and a high temperature component;
- and
- heat treating the particulate material at a temperature sufficient to melt the low temperature component without melting the high temperature component to bond the end cap to the filter pack.
1 more element
Dependencies are inferred from the claim text.