| Patents for B29L 24 - Articles with hollow walls (240) |
|---|
| 05/08/1990 | US4923081 Storage tanks with fabricated support ribs |
| 03/27/1990 | US4911878 Positioning reinforcing member between mold halves; closing mold and inflating preform |
| 03/06/1990 | US4906496 Double-walled tube assembly |
| 02/28/1990 | EP0355937A2 Balloon and manufacture thereof |
| 02/07/1990 | EP0354137A1 Process for making a pocket dispenser, parts thereof and dispensers |
| 07/27/1989 | WO1989006631A1 Storage tanks with fabricated support ribs |
| 07/19/1989 | EP0179053B1 Method of making double walled, tubular, thermal protective cove rings |
| 07/11/1989 | CA1257171A1 Balloon and manufacture thereof |
| 05/02/1989 | CA1253423A1 Apparatus for producing sheet having many hollow bodies from thermoplastic material |
| 03/15/1989 | EP0306643A2 Method of making a blow-moulded article |
| 02/28/1989 | US4808065 Apparatus for changing posture of green extruded body |
| 01/31/1989 | US4801343 Method for manufacturing a case having multiple walls |
| 11/08/1988 | US4783357 Synthetic resin plate comprising a coextruded synthetic resin foam layer |
| 10/11/1988 | US4777001 Elongate strip with at least one t-shaped portion; automobile moldings |
| 09/28/1988 | EP0283644A2 Apparatus for producing hollow plastic articles |
| 04/20/1988 | EP0264102A1 Method of continuously manufacturing a double-walled tube assembly |
| 01/26/1988 | US4721452 Apparatus for producing hollow plastic articles |
| 11/19/1987 | EP0245885A1 Synthetic resin plate comprising a coextruded synthetic resin foam layer |
| 04/14/1987 | US4657625 Apparatus for producing sheet having many hollow bodies from thermoplastic material |
| 04/01/1987 | EP0216317A2 Process for closing the open sides of hollow plates |
| 01/22/1987 | EP0179053A4 Method of making double walled, tubular, thermal protective cove rings. |
| 10/08/1986 | EP0196876A2 An apparatus for changing posture of green extruded body |
| 04/30/1986 | EP0179053A1 Method of making double walled, tubular, thermal protective cove rings. |
| 04/16/1986 | EP0177538A1 Injection moulding method and mould |
| 01/02/1986 | EP0166312A2 Apparatus for producing sheet having many hollow bodies from thermoplastic material |
| 11/07/1985 | WO1985004836A1 Injection moulding method and mould |
| 09/17/1985 | CA1193410A1 Method of making a gastight multiple-walled plastic panel |
| 09/12/1985 | WO1985003902A1 Method of making double walled, tubular, thermal protective cove rings |
| 08/13/1985 | US4534923 Method and apparatus for forming a double walled thermoplastic tube with integral bells |
| 05/21/1985 | CA1187258A1 Method and apparatus for forming a double walled thermoplastic tube with integral bells |
| 05/07/1985 | US4515648 Method of making a gastight multiple-walled plastic panel |
| 04/03/1985 | EP0135990A1 Balloon and manufacture thereof |
| 12/25/1984 | US4490421 Polyethylene terephthalic catheter |
| 10/23/1984 | US4478899 Seat core members or partition plates for vehicles formed from synthetic resin |
| 05/16/1984 | EP0108598A2 Method & apparatus for forming a double walled thermoplasctic tube with integral bells and tube produced thereby |
| 07/06/1983 | EP0083030A1 Process for producing a gas-tight sealed hollow panel of plastics material |
| 01/29/1980 | CA1070625A1 Frosted bottle of saturated polyester and method of making the same |
| 11/27/1979 | CA1066864A1 Apparatus for continuous of oriented thermoplastic hollow-bodied articles |
| 08/14/1979 | US4164298 Changing crystal structure, opacity, clarity |
| 02/13/1979 | CA1048219A1 Method of and apparatus for blow molding plastic articles |