Container with microwave interactive web

Patent metadata

Field	Value
Publication number	US-9944036-B2
Application number	US-201414313749-A
Country	US
Kind code	B2
Filing date	Jun 24, 2014
Priority date	Mar 10, 2006
Publication date	Apr 17, 2018
Grant date	Apr 17, 2018

Abstract

A container that includes a microwave interactive web at least partially overlying and joined to a three-dimensional support, wherein the three-dimensional support may be formed prior to having the microwave interactive web mounted thereto. The three-dimensional support may be a preformed container that is sufficiently rigid and dimensionally stable for use in containing food.

First claim

What is claimed is:

1. A method of making a construct that includes microwave interactive material, the method comprising:
providing a container that defines at least one cavity;
reconfiguring a microwave interactive web comprising a microwave interactive material from a first configuration to a second configuration, in the first configuration the web is substantially flat and in the second configuration the web is a three-dimensional microwave interactive structure having a cavity; and
mounting the web in the second configuration to an interior surface of the container after the providing of the container, the mounting the web comprising pressing the web in the second configuration into face-to-face contact with the at least one cavity of the container, the reconfiguring of the web from the first configuration to the second configuration occurs prior to the pressing the web in the second configuration into the at least one cavity of the container, whereby the container is a preformed container.

2. The method according to claim 1 , further comprising heating at least a flap-like edge portion of the web to transform the flap-like edge portion of the web into a bead, wherein the heating occurs after the mounting and prior to placing food in a cavity of the construct.

3. The method according to claim 1 , wherein the mounting of the web to the container comprises mounting the web within the at least one cavity of the container.

4. The method according to claim 3 , comprising cutting the web with a laser after the mounting of the web within the at least one cavity of the container.

5. The method according to claim 4 , wherein the cutting of the web with the laser comprises directing a laser beam through an opening of the container.

6. The method according to claim 1 , wherein the web is substantially flat in the first configuration.

7. The method according to claim 1 , wherein, when the web is mounted to the container, the web is exposed in the at least one cavity of the container.

8. The method according to claim 1 , wherein the mounting the web comprises attaching the web to the container so that the three-dimensional microwave interactive structure forms an inner surface of the construct for holding a food product and the container forms an outer surface of the construct.

9. A method of making a container that includes microwave interactive material, the method comprising:
providing a three-dimensional support defining at least one cavity;
reconfiguring a microwave interactive web, which includes microwave interactive material, from a first configuration to a second configuration, wherein in the first configuration the microwave interactive web is substantially flat and in the second configuration the web is a three-dimensional microwave interactive structure having; and
mounting the web to an interior surface of the support while the web is in the second configuration, the mounting the web comprising pressing the web in the second configuration into face-to-face contact with the at least one cavity of the three-dimensional support, the reconfiguring of the web from the first configuration to the second configuration occurs prior to the pressing the web in the second configuration into the at least one cavity of the three-dimensional support.

10. The method according to claim 9 , wherein:
the providing of the support occurs before the reconfiguring of the web; and
the providing of the support comprises providing a container that defines at least one cavity, whereby the support is a preformed container.

11. The method according to claim 9 , wherein the mounting of the web occurs after the reconfiguring of the web.

12. The method according to claim 9 , wherein the reconfiguring of the web comprises forming a plurality of pleats in the web.

13. The method according to claim 9 , wherein, when the web is mounted to the support, the web is exposed in the at least one cavity of the support.

14. The method according to claim 9 , wherein the mounting the web comprises attaching the web to the support so that the three-dimensional microwave interactive structure forms an inner surface of the container for holding a food product and the support forms an outer surface of the container.

Assignees

• Graphic Packaging Int Llc

Inventors

• O'Hagan Brian R
• Lai Laurence M C
• Walsh Joseph
• Cox William
• Hackel George
• Zeng Neilson
• Shaw Michael
• Bohrer Timothy Henry

Classifications

• H05B6/6494

  for cooking · CPC title

• B31B2120/407

  involving forming of the liner before inserting · CPC title

• B29C66/71

  characterised by the composition of the plastics material of the parts to be joined (welding bar compositions B29C65/125) · CPC title

• B65D2581/3498

  attached to the base surface · CPC title

• B65D2581/3472

  Aluminium or compounds thereof · CPC title