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JPS6344526B2 |
A method of manufacturing thermoplastics pipe by the radial expansion of a pipe blank within a mould. The blank 28 is inserted horizontally into raised central mould portion 12, with the ends of the blank 28 extending outwardly of the en...
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JPS6344525B2 |
A mould for use in the manufacture of thermoplastics eg PVC pipe by radial expansion of a pipe blank, the mould comprising a cylindrical central portion 10 and two removable mould end portions 11, 12. The pipe blank 14 is located central...
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JPS6344527B2 |
Apparatus for use in the manufacture of socketed thermoplastics pipe by the radial expansion of a pipe blank. The apparatus includes an openended central mould portion 12 which can be raised or lowered on stanchions 10, 11 to three prede...
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JPS6344538B2 |
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JPS6344531B2 |
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JPS6343624B2 |
A method of making a shaft seal ring starts with a tube, optionally provided on its outside and/or inside with hydrodynamically-acting return elements, as may be cut from a hollow cylinder. The tube is axially slipped along a form with a...
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JPS6332631Y2 |
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JPS6343221B2 |
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JPS6343212B2 |
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JPS6343062B2 |
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JPS6342568B2 |
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JPS6341569B2 |
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JPS6340652B2 |
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JPS6340654B2 |
PURPOSE:To obtain the titled bottle excellent in temperature resistance, stiffness and shock resistance, by a method wherein a part forming the neck is heated at the crystallization temperature and stretched, being molded to the neck by ...
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JPS6340530B2 |
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JPS6339501B2 |
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JPS6339404B2 |
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JPS6339413B2 |
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JPS6338297B2 |
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JPS6338289B2 |
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JPS6337694B2 |
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JPS6337689B2 |
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JPS6336931B2 |
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JPS6336929B2 |
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JPS6336921B2 |
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JPS6335666B2 |
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JPS6335424B2 |
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JPS6334813B2 |
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JPS6334811B2 |
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JPS6334815B2 |
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JPS6334812B2 |
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JPS6334814B2 |
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JPS6333452B2 |
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JPS6333016B2 |
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JPS6332613B2 |
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JPS6331383B2 |
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JPS6331377B2 |
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JPS6331378B2 |
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JPS6331367B2 |
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JPS6331379B2 |
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JPS6331376B2 |
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JPS6331368B2 |
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JPS6330847B2 |
Coated, compression moulded reinforced plastics articles are produced by transferring reinforced plastic sheet in mould parts (18) between a main press (10) and auxiliary presses (12, 14). In the main press (10) the sheet (30) is compres...
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JPS6330846B2 |
Reinforced plastics sheet is compression moulded by transferring mould devices between a main press (10) and auxiliary presses (12, 14). In the main press (10) the SMC sheet is compressed and cured to a desired shape, and in the auxiliar...
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JPS6330845B2 |
Reinforced plastics sheet is compression moulded by transferring mould parts (42, 48) between a main press (10) and auxiliary presses (12, 14). The main press (10) is of large press power and short stroke. The auxiliary presses (12, 14) ...
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JPS6330853B2 |
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JPS63144827A |
PURPOSE: To form a flanged hollow shaft with good efficiency by holding with a holding body the center part of a metal pipe or the aluminum alloy in the specified length and after forming a bulging part by pressing the pipe both ends in ...
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JPS6330139B2 |
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JPS6328774B2 |
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JPS6328779B2 |
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