Method of making a cushion construction

• US 4,184,237 A
• Filed: 08/31/1978
• Issued: 01/22/1980
• Est. Priority Date: 08/31/1978
• Status: Expired due to Term

• Current Assignee: Sofisti-Caire Furniture Manufacturing Incorporated
• Original Assignee: Sofisti-Caire Furniture Manufacturing Incorporated
• Inventors: Blankenship, James O.
• Primary Examiner(s): Moon, Charlie T.
• Application Number:
  US05/938,378
• Time in Patent Office: 509 Days
• Field of Search: 5/355, 5/345 R, 5/481, 29/91.1, 29/451, 29/428, 53/449, 53/474
• US Class Current: 29/91.1
• CPC Class Codes: B68G 1/00 Loose filling materials for upholstery
• CPC Class Codes: Y10T 29/481 Method
• CPC Class Codes: Y10T 29/49872 Confining elastic part in socket

Abstract

A mixture of shredded polyurethane foam pieces and pieces of polyester matting is placed in a bag formed of polyester matting which is in turn placed in a cover formed of upholstery material to provide a soft, resilient seat cushion.

Claims

1. A method of making a seat cushion, comprising the steps of

making a cushion cover of upholstery material, forming a porous bag with an opening,

filling said bag with a mixture of pieces of shredded polyurethane foam and pieces of polyester fiber matting, securing said bag opening closed and

inserting said filled bag into said cushion cover.

2. A method according to claim 1 wherein

the percentage by volume of said pieces of matting in said mixture is between twenty and fifty percent.

3. A method according to claim 2 wherein

said pieces of polyester foam each have a maximum dimension in the range of one-half inch to two and one-half inches.

4. A method according to claim 3 wherein

said pieces of matting are at least as large in volume as said pieces of foam and are dispersed throughout the mixture.

5. A method according to claim 4 wherein

said pieces of foam are approximately one inch by two inches by two inches in size.

6. A method according to claim 1 wherein said step of forming a porous bag comprises

forming said bag from polyester fiber mat sheeting having a thickness between one-half inch and one and one-half inches.

7. A method according to claim 1 comprising the steps of

positioning a sheet of polyester fiber matting between said bag and the top of said cover.