MATERIAL HANDLING PLATFORM, COMPONENTS AND METHODS OF PRODUCTION THEREOF

• US 20100064946A1
• Filed: 02/29/2008
• Published: 03/18/2010
• Est. Priority Date: 03/01/2007
• Status: Abandoned Application

• Current Assignee: CAS Holdings Australia Pty., Ltd.
• Original Assignee: CAS Holdings Australia Pty., Ltd.
• Inventors: Watson, Bruce
• Application Number:
  US12/529,301
• Publication Number:
  US 20100064946A1
• Time in Patent Office: Days
• US Class Current: 108/57.250
• CPC Class Codes: B29C 2793/009 after shaping
• CPC Class Codes: B29C 48/08 flexible, e.g. films
• CPC Class Codes: B29C 48/154 Coating solid articles, i.e. non-hollow articles
• CPC Class Codes: B29C 48/91 Heating, e.g. for cross linking
• CPC Class Codes: B29C 48/911 Cooling
• CPC Class Codes: B29C 48/914 cooling drums
• CPC Class Codes: B29C 53/04 of plates or sheets B29C63/04 takes precedence; bending or folding paper B31F1/0003; folding films B65H45/00
• CPC Class Codes: B29C 70/521 and impregnating the reinforcement before the die
• CPC Class Codes: B29C 70/545 Perforating, cutting or machining during or after moulding
• CPC Class Codes: B29K 2023/12 PP, i.e. polypropylene
• CPC Class Codes: B29K 2105/06 containing reinforcements, fillers or inserts
• CPC Class Codes: B29K 2105/256 Sheets, plates, blanks or films
• CPC Class Codes: B29K 2309/08 Glass
• CPC Class Codes: B29L 2031/7178 Pallets
• CPC Class Codes: C08K 3/40 Glass
• CPC Class Codes: Y10T 29/49947 by applying separate fastener

Abstract

A method of manufacturing a sheet material using fibreglass, such as glass fibres 802,803, fibre glass matting 801 and/or fibreglass webbing/tape 601, and polymer, such as polypropylene. The fibreglass is coated in liquid polymer and formed into sheet material 800, preferably by compression rollers 808,810. The material product is formed, by bending/folding, into desired shapes, such as box sections to form pallet/support platform sections. The formed sections can be fastened together, such as by elongate members passing through a series of aligned apertures between adjacent sections. The elongate members can be heat staked to the sections. Inserts can be used in the ends of the sections to provide additional rigidity and strength. Thus, a composite pallet/support platform can be manufactured in production line form.

Claims

1-11. -11. (canceled)

12. A method for manufacturing a pallet, including the steps of:

providing a sheet of laminated polypropylene and glass fibre material;

forming a series of apertures through the sheet;

folding the sheet material to form a pallet section; and

connecting together a plurality of base pallet sections with fasteners to form the pallet.

27. A method according to claim 12, further comprising;

a) providing fibreglass matting between glass fibres either side thereof;

b) coating the fibreglass matting and the glass fibres with liquid polymer;

c) combining the coated fibreglass matting and glass fibres to form the sheet material.

28. The method according to claim 27 including forming the sheet material with approximately 60% fibreglass matting and glass fibres, and 40% polymer

29. The method according to claim 28, including providing the fibre glass matting from a supply head between respective supply heads for each of the glass fibres.

31. The method according to claim 27, further comprising providing the glass fibre strands or threads via a respective upper and lower supply head with the glass fibre matting supply head positioned therebetween.

32. The method according to claim 27 further comprising coating the glass fibres and/or the fibreglass matting with liquid polypropylene before, during or after being forwarded through the respective supply head.

33. The method according to claim 27, further comprising forwarding the sheet material relative to one or more roller stages, and cooling the polymer or polypropylene.

41. A method according to claim 12, wherein the series of apertures is arranged to correspond to a cross-section of a fastener for connecting sections of the product together.

42. A method according to claim 12, wherein the apertures are formed by interference punching whereby the sheet material is stretched and torn through by at least one tapered punch resulting in a clean edged aperture with minimal loose fibres.

43. A method according to claim 42, further comprising punching or cutting the apertures, such as by high pressure water cutting.

44. A method according to claim 12, further comprising heating and bending each laminated sheet to a predetermined shape.

46. A method according to claim 12, wherein the sheets are connected together to form a pallet using elongate member arranged to pass through a series of the apertures.

47. A method according to claim 12, further comprising providing an insert into one or more end openings of the box sections to provide additional rigidity and strength.

48. A method according to claim 46 further comprising heat staking the at least one elongate member to fit the respective elongate member to the material of the pallet.

50. A method according to claim 46, wherein the at least one elongate fastening member is preheated and subsequently staked.

13-26. -26. (canceled)

30. (canceled)

34-40. -40. (canceled)

45. (canceled)

49. (canceled)

51-55. -55. (canceled)

56. A platform for supporting a load, the platform comprising at least one portion of composite sheet material product comprising polymer coated fibreglass matting sandwiched between polymer coated glass fibres.

57. A platform according to claim 56 wherein two or more sections of the composite material are shaped and fastened together by a fastener to form a pallet having integral box sections.

58. A platform according to claim 57, wherein the fastener includes at least one elongate member arranged to connect the sections together.

59. A platform according to claim 58, wherein the at least one elongate member includes a retainer to retain the sections together.

60. A platform according to claim 59, wherein the at least one elongate member passes through apertures in the sections.