Method of making laminated case construction

• US 2,647,071 A
• Filed: 05/02/1951
• Issued: 07/28/1953
• Est. Priority Date: 05/02/1951
• Status: Expired due to Term

• Current Assignee: Stanley Schade Frank
• Original Assignee: Stanley Schade Frank
• Inventors: STANLEY SCHADE FRANK
• Application Number:
  US03/224,140
• Time in Patent Office: 818 Days
• US Class Current: 156/252
• CPC Class Codes: A45C 1/06 Wallets devices for the prevention of theft or loss of wallets A45C13/185; for holding keys A45C11/32; Notecases
• CPC Class Codes: Y10T 156/1056 Perforating lamina

Claims

1. THE METHOD OF MAKING A LAMINATED CASE CONSTRUCTION OF THE SINGLE FOLD TYPE OF THE CLASS DESCRIBED FOR WALLETS WHICH CONSISTS IN FORMING A SET OF SPACED HOLES IN A LIMP SHEET OF THERMOPLASTIC MATERIAL AND IN A POSITION ON SAID SHEET LATERALLY OF A CENTRAL HINGE LINE AREA AND CUTTING A SLIT BETWEEN SAID SPACED HOLES;

FORMING A CENTRAL SLOTTED OPENING IN A SHEET OF STIFFENING MATERIAL DEFINING A HINGE LINE AREA FOR THE CASE AND LATERALLY OF SAID SLOT FORMING A CORRESPONDINGLY SPACED SET OF HOLES FOR REGISTRATION WITH SAID SPACED HOLES OF THE THERMOPLASTIC SHEET, SAID STIFFENER SHEET BEING OF LESSER OVERALL DIMENSIONS THAN SAID THERMOPLASTIC SHEET FOR PROVIDING A PERIPHERAL MARGINAL EDGE PORTION OF THE LATTER AROUND SAID STIFFENING SHEET;

SUPERIMPOSING SAID TWO SHEETS WITH THE THERMOPLASTIC SHEET UNDERNEATH ON A HEAT SEALING TOOL HAVING SPACED HOLES CORRESPONDING TO SAID SPACED HOLES OF SAID SHEETS;

THREADING ALIGNING PINS HAVING HEADS OF A SLIGHTLY