1
Leslie Edward Clark, Craig Allen Hunter, Robert Basil Magee, Gerry Vande Wetering, Wilfred Wang Tai Chang: Mold having vent passageways to obviate trimming of flash. Woodbridge Foam Corporation, Fitzpatrick Cella Harper & Scinto, February 15, 2000: USRE036572

A mold for producing foamed articles includes an upper mold and a lower mold which define a mold cavity. A vent is provided in communication with the mold cavity and has a vent passageway with an entrance and an exit. Structure is also provided for sealingly engaging the upper mold with the lower mo ...


2
Leslie Edward Clark, Craig Allen Hunter, Robert Basil Magee, Gerry Vande Wetering, Wilfred Wang Tai Cheng: Method of using a vented mold. Woodbridge Foam Corporation, Fitzpatrick Cella Harper & Scinto, November 30, 1999: USRE036413

A novel method of molding an article includes providing a mold with a vent of a pre-determined size such that, due to the difference in viscosities, gases to be vented from the mold may easily pass through the vent while the material to be molded cannot quickly pass through the vent. In fact, the ve ...


3
Leslie Edward Clark, Craig Allen Hunter, Robert Basil Magee, Leslie Edward Clark, Craig Allen Hunter, Robert Basil Magee: Vented mould and use thereof. Woodbridge Foam Corporation Woodbridge Foam Corporation, LIU GUOPING, July 19, 1995: CN93109740

A novel method of molding an article includes providing a mold with a vent of a pre-determined size such that, due to the difference in viscosities, gases to be vented from the mold may easily pass through the vent while the material to be molded cannot quickly pass through the vent. In fact, the ve ...