Thermally insulated synthetic resin container and thermally insulated synthetic resin lid

Patent 6152319 Issued on November 28, 2000. Estimated Expiration Date:

June 29, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Bowl-shaped plastic microwave dish
Patent #: 4847459
Issued on: 07/11/1989
Inventor: Desai

Food container
Patent #: 4981234
Issued on: 01/01/1991
Inventor: Slaughter

Thermally insulated beverage mug Patent #: 4984707
Issued on: 01/15/1991
Inventor: Fierthaler

Inventors

Assignee

Nippon Sanso Corporation

Application

No. 101260 filed on 06/29/1998

US Classes:

220/592.2, Thermally insulated receptacle220/62.18, Hollow side wall220/592.21, Including means for reflecting heat220/592.27Vacuum insulation

Examiners

Primary: Pollard, Steven M.

Attorney, Agent or Firm

Darby & Darby

Foreign Patent References

0763483A1 EP. 03/12/1997
6-46572 JP. 06/12/1994
9-98892 JP. 04/12/1997
9-140537 JP. 06/12/1997
WO98/22007 WO. 05/12/1998

International Class

B65D 090/00

Foreign Application Priority Data

1996-11-22 JP

Abstract

The present invention relates to a thermally insulated synthetic resin container, which is a thermally insulated container having a double walled structure and being made of synthetic resin, which reduces the thermal conduction loss from the mouth portion, and which has excellent thermally insulating performance capabilities.The thermally insulated synthetic resin container 1 of the present invention has an inner container 4 and an outer container 3, which are both made of synthetic resin and which are both connected at their respective mouth portions 12, 11 while providing a space portion in between the two containers. According to this thermally insulated synthetic resin container which is formed by having the space portion between the inner container 4 and the outer container 3 be a thermally insulating layer 6, a reduced thermal conductive portion 14 having a wall of reduced thickness is formed in the vicinity of the mouth portion 12 of the inner container 4.