Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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B29C
SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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45/00
Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
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B29C45/17
Component parts, details or accessories; Auxiliary operations
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B29C45/1703
Introducing an auxiliary fluid into the mould
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B29C45/1704
the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
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B29C45/1711
and removing excess material from the mould cavity by the introduced fluid, e.g. to an overflow cavity
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B29C2045/1712
plastic material flowing back into the injection unit
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B29C2045/1712

METHOD OF MANUFACTURING A PLASTIC HANDLEBAR FOR A TWO-WHEELER
20230356446 · 2023-11-09 ·

The disclosure relates to a method of manufacturing a component composed of a thermoplastic having at least one hollow space in the interior for a two-wheeler by means of plastic injection molding, said method comprising the following steps: closing the configured injection molding tool; injecting a plasticized thermoplastic melt into the closed injection molding tool; injecting at least one fluid into the closed injection molding tool to displace the plastic core from the interior of the component; and opening the injection molding tool and demolding the component. wherein the component is a handlebar.

Method of manufacturing a plastic frame for a two-wheeler
11090847 · 2021-08-17 · ·

The invention relates to a method of manufacturing a plastic frame for a two-wheeler having at least one hollow space in the interior by means of plastic injection molding having a series of method steps, wherein a fluid is injected to displace the plastic core from the component cavity after the injection of a preferably thermoplastic plastic melt into a closed injection molding tool.

METHOD OF MANUFACTURING A PLASTIC FRAME FOR A TWO-WHEELER
20180186049 · 2018-07-05 ·

The invention relates to a method of manufacturing a plastic frame for a two-wheeler having at least one hollow space in the interior by means of plastic injection molding having a series of method steps, wherein a fluid is injected to displace the plastic core from the component cavity after the injection of a preferably thermoplastic plastic melt into a closed injection molding tool.

METHOD FOR PRODUCING A FORK FOR A TWO-WHEELED VEHICLE
20250050559 · 2025-02-13 ·

The invention relates to a method for producing a fork which has at least one cavity in the interior and which is made of a thermoplastic for a two-wheeled vehicle by means of a plastic injection molding process and a fluid injection process, having the following steps: closing a configured injection molding tool; injecting a plasticized plastic melt into the closed injection molding tool; injecting at least one fluid into the closed injection molding tool in order to displace the plastic core out of the interior of the fork or in order to fill at least one molding cavity which is introduced into the injection molding tool; cooling the injection molded component; and opening the injection molding tool and removing the fork.