SEAL HOLDER

PROBLEM TO BE SOLVED: To provide a heater unit most suitable for a resin film seal for a packaging device which can make a temperature distribution as even as possible over the length of a welded surface so as to allow use of an inexpensive resin film while maintaining a high sealing property. SOLUT...

Full description

Saved in:
Bibliographic Details
Main Authors SHIMA KATSUHIKO, MURAMOTO MICHIO
Format Patent
LanguageEnglish
Published 25.11.2004
Edition7
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Online AccessGet full text

Cover

More Information
Summary:PROBLEM TO BE SOLVED: To provide a heater unit most suitable for a resin film seal for a packaging device which can make a temperature distribution as even as possible over the length of a welded surface so as to allow use of an inexpensive resin film while maintaining a high sealing property. SOLUTION: The heater unit is characterised by being formed by: forming a groove 1A in a surface of a base part 1 made of a highly heat-conductive metal; providing a heating element 2 made up of a band-plate-shaped member in the groove 1A, the band-plate-shaped member being shorter in height than the depth of the groove 1A and bent widthwise repeatedly to become wavy along the length thereof; and filling space 1S around the heating element 2 in the groove 1A with a filler 8 without leaving any clearance. COPYRIGHT: (C)2005,JPO&NCIPI
Bibliography:Application Number: JP20040230632