METHOD OF MAKING LAMINAR GARMENT BY AUTOGENOUS BONDING OF CONTINUOUS WEBS

• US 3,644,157 A
• Filed: 01/27/1970
• Issued: 02/22/1972
• Est. Priority Date: 01/27/1970
• Status: Expired due to Term

• Current Assignee: Neal M. Draper
• Original Assignee: Neal M. Draper
• Inventors: Draper, Neal M.
• Primary Examiner(s): Quarforth, Carl D.
• Assistant Examiner(s): Schafer, R. E.
• Application Number:
  US05/006,155
• Time in Patent Office: 756 Days
• Field of Search: 156/164,250,269,290,160,309,324,496,516 161/147
• US Class Current: 156/160
• CPC Class Codes: A41B 9/00 Undergarments corsets A41C1/00; brassières A41C3/00
• CPC Class Codes: A41H 43/00 Other methods, machines or appliances
• CPC Class Codes: B29C 65/4825 Pressure sensitive adhesives
• CPC Class Codes: B29C 65/7891 of discontinuously moving sheets or webs
• CPC Class Codes: B29C 66/0242 Heating, or preheating, e.g. drying B29C66/3464 takes precedence
• CPC Class Codes: B29C 66/1122 Single lap to lap joints, i.e. overlap joints B29C66/45, B29C66/472, B29C66/52272 take precedence
• CPC Class Codes: B29C 66/43 Joining a relatively small portion of the surface of said articles B29C66/45 takes precedence
• CPC Class Codes: B29C 66/7294 Non woven mats, e.g. felt
• CPC Class Codes: B29C 66/8322 Joining or pressing tools reciprocating along one axis
• CPC Class Codes: Y10T 156/1052 with cutting, punching, tearing or severing
• CPC Class Codes: Y10T 156/1084 of continuous or running length bonded web
• CPC Class Codes: Y10T 428/24777 Edge feature

Abstract

A laminar garment comprising a first layer of finished material, a second layer of finished material and an intermediate layer of elastic material disposed between the first and second layers of finished material is disclosed as being manufactured by a process wherein the first layer of finished material and the intermediate layer of elastic material are bonded together at selected points, thereafter the second layer of finished material is positioned adjacent the intermediate layer of elastic material and bonded to both the first layer of finished material and the intermediate layer of elastic material at points other than the points of initial bonding between the first layer of finished material and the intermediate layer of elastic material. The method of bonding is disclosed as being heat-pressure bonding, the elastic material being heat-pressure sealable material such as polyester urethane foam.

Claims

2. The method of claim 1 and further including the step of preheating said elastic material prior to bonding.

3. The method of claim 1 wherein said step of stretching said elastic material comprises:

engaging said elastic material adjacent the edges thereof by a plurality of clamps; and

displacing said clamps away from the center of said elastic material.

4. The method of claim 3 wherein said step of heat-pressure bonding said stretched elastic material to said first layer of finished material and said step of heat bonding said stretched elastic material with said first and second layers of finished material comprises:

advancing heated platens against the surface of said first layer of finished material.