Patent Number: 6,250,911

Title: Electrical heater for use in a mold of an injection-molding machine

Abstract: An electrical heater for a mold has an elongated tubular casing made of a ductile metal and deformable by hand, a manually deformable electrical heating element extending longitudinally inside the casing, and a manually deformable mass of electrically insulating potting filling the casing around the element. The casing can be annularly corrugated and formed by a succession of like U-section rings each having a pair of parallel legs and a bight portion and a succession of like rounded annular webs interconnecting the rings and each joining a leg of one respective ring with a leg of an adjacent respective ring.

Inventors: Schwarzkopf; Eugen (Ludenscheid, DE)

Assignee: Hotset Heizpatronen U. Zubehohr GmbH

International Classification: B29C 45/73 (20060101); H05B 3/42 (20060101); H05B 3/48 (20060101); H05B 3/40 (20060101); B29C 45/27 (20060101); B29C 045/26 ()

Expiration Date: 06/26/2018