Blow-moulding

Industry

  • CPC
  • B29C49/00
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Current Industry

Sub Industries

B29C49/0005characterised by the choice of material B29C49/0015for making articles of indefinite length B29C49/0021using moulds or mould parts movable in a closed path B29C49/0026using independent mould parts, i.e. the mould parts not being interconnected B29C49/0031for making articles having hollow walls B29C49/0042without using a mould B29C49/0047Sheet blow-moulding B29C49/0073characterised by the parison configuration B29C49/0078Parisons having internal or external ribs B29C49/0084the internal ribs being connected to the opposite wall B29C49/02Combined blow-moulding and manufacture of the preform or the parison B29C49/022the parison being partly injected and partly extruded B29C49/04Extrusion blow-moulding B29C49/041using an accumulator head B29C49/06Injection blow-moulding B29C49/061with parison holding means displaceable between injection and blow stations B29C49/062following an arcuate path B29C49/063with the parison axis held in the plane of rotation B29C49/064following a rectilinear path B29C49/08Biaxial stretching during blow-moulding with or without prestretching B29C49/085without prestretching B29C49/10using mechanical means for prestretching B29C49/12Stretching rods B29C49/14Clamps B29C49/16using pressure difference for prestretching B29C49/18using several blowing steps B29C49/185in different mould cavities B29C49/20of articles having inserts or reinforcements; Handling of inserts or reinforcements B29C49/22using multilayered preforms or parisons B29C49/221at least one layer being injected B29C49/24Lining or labelling B29C49/2408Inserting labels or films into blow-moulds B29C49/26inner lining of tubes B29C49/28Blow-moulding apparatus B29C49/30having movable moulds or mould parts B29C49/32moving "to and fro" B29C49/34the mould parts moving "hand-over-hand" B29C49/36rotatable about one axis B29C49/38mounted on movable endless supports B29C49/40on co-operating drums B29C49/42Component parts, details or accessories Auxiliary operations B29C49/4205Handling means B29C49/421for blown articles B29C49/4215for increasing the space between preforms B29C49/4236Drive means B29C49/4242Means for deforming the parison prior to the blowing operation B29C49/4247Spreading or extending means B29C49/4252Auxiliary operations prior to the blow moulding operation B29C49/4268Auxiliary operations during the blow moulding operation B29C49/4273Auxiliary operations after the blow moulding operation B29C49/4278Cutting, rearranging and joining the cut parts B29C49/4284Means for recycling or reusing auxiliaries or materials B29C49/4289Valve constructions or configurations B29C49/44for applying pressure through the walls of an inflated bag B29C49/46characterised by using a particular environment or blow fluids other than air B29C49/48Moulds B29C49/4802with means for locally compressing part(s) of the parison in the main blowing cavity B29C49/4815by means of movable mould parts B29C49/4817with means for closing off parison ends B29C49/482with means for moulding parts of the parisons in an auxiliary cavity B29C49/4823with incorporated heating or cooling means B29C49/50having cutting or deflashing means B29C49/52having decorating or printing means B29C49/54for undercut articles B29C49/541having a recessed undersurface B29C49/56Opening, closing or clamping means B29C49/58Blowing means B29C49/60Blow-needles B29C49/62Venting means B29C49/64Heating or cooling preforms, parisons or blown articles B29C49/6409Thermal conditioning of preforms B29C49/6418by reheating cold preforms in a single stage B29C49/6427by cooling hot or molten preforms in a single stage B29C49/6436producing a temperature differential B29C49/6445through the preform length B29C49/6454along the preform thickness B29C49/6463Mandrels or cores specially adapted for heating or cooling preforms B29C49/6472in several stages B29C49/6481using several mould cavities for each article B29C49/649at least one stage being a heating stage used for shrinking of a preform prior to a subsequent blowing stage B29C49/66Cooling by refrigerant introduced into the blown article B29C49/68Ovens specially adapted for heating preforms or parisons B29C49/70Removing or ejecting blown articles from the mould B29C49/72Deflashing outside the mould B29C49/74Deflashing the neck portion B29C49/76Neck calibration B29C49/78Measuring, controlling or regulating B29C49/783the blowing pressure B29C49/786the temperature B29C49/80Testing