Method of making multiple-gore balloons

• US 2,703,769 A
• Filed: 05/09/1950
• Issued: 03/08/1955
• Est. Priority Date: 05/09/1950
• Status: Expired due to Term

• Current Assignee: Raymond I. Hakomaki, Stinger, Henry J., William F. Huch
• Original Assignee: Raymond I. Hakomaki, Stinger, Henry J., William F. Huch
• Inventors: Stinger, Henry J., Hakomaki, Raymond I., Huch, William F.
• Application Number:
  US03/160,973
• Time in Patent Office: 1,764 Days
• US Class Current: 156/226
• CPC Class Codes: B29C 65/02 by heating, with or without pressure
• CPC Class Codes: B29C 65/222 comprising at least a single heated wire
• CPC Class Codes: B29C 65/743 using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc B29C65/2046 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 66/137 Beaded-edge joints or bead seals for sealing or securing package folds or closures B65B51/24
• 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 66/435 Making large sheets by joining smaller ones or strips together
• CPC Class Codes: B29C 66/71 characterised by the composition of the plastics material of the parts to be joined welding bar compositions B29C65/125
• CPC Class Codes: B29C 66/836 Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table B29C66/65 takes precedence
• CPC Class Codes: B29C 66/86533 by rails
• CPC Class Codes: B29K 2023/06 PE, i.e. polyethylene
• CPC Class Codes: B29L 2022/022 Balloons
• CPC Class Codes: Y10T 156/1049 Folding only
• CPC Class Codes: Y10T 156/1054 and simultaneously bonding [e.g., cut-seaming]
• CPC Class Codes: Y10T 156/1062 Prior to assembly
• CPC Class Codes: Y10T 428/31909 Next to second addition polymer from unsaturated monomers

Claims

1. THE METHOD OF FORMING MULTIPLE GORE BALLOONS FROM DOUBLE SHEET MATERIAL HAVING TWO LAYERS AND AT LEAST ONE INTEGRAL FOLDED EDGE WHICH COMPRISES SUPERIMPOSING A PLURALITY OF STRIPS OF THE MATERIAL CORRESPONDING TO THE NUMBER OF DISIRED GORES, WITH ONE FOLDED EDGE OF EACH STRIP ALIGNED WITH THE CORRESPONDING FOLDED EDGE OF EACH OTHER STRIP TO CONSTITUTE THE CENTER LINE OF EACH GORE, TRIMMING THE OPPOSITE EDGE OF EACH STRIP TO THE SHAPE OF THE DESIRED GORE, SEAMING THE TRIMMED EDGE OF THE UPPER LAYER