The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 02, 1984
Filed:
Jul. 31, 1981
Peter J Petrecca, Atlanta, GA (US);
Nordson Corporation, Amherst, OH (US);
Abstract
An apparatus for melting and dispensing thermoplastic material comprising a hopper, a grid melter, a reservoir and a pump. Solid thermoplastic material contained within the hopper is melted by the grid melter and flowed into a reservoir from which the pump supplies the molten material to a dispenser. The inside walls of the hopper are coated with 'Teflon' which has been found to expedite remelting of molten material which has backed up into the hopper and solidified there. Additionally, the 'Teflon' coating has been found to solve the problem of the seals between the reservoir, grid melter and hopper springing leaks upon the remelting of solid thermoplastic material contained in the hopper.