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  1. Technology classes
  2. /B · Performing operations
  3. /B29 · Working of plastics
  4. /B29C · Shaping or joining of plastics
  5. /B29C 45/00 · Injection moulding, i.e. forcing the required volume of moulding material through a
  6. /B29C 45/17 · Component parts, details or accessories
  7. /B29C 45/46 · Means for plasticising or homogenising the moulding material or forcing it into
  8. /B29C 45/47 · Using screws
  9. /B29C 45/50 · Axially movable screw
  10. /B29C 45/52 · Non-return devices
  11. /B29C 2045/524
B29C 2045/524

Flexible valves

Official title: {Flexible valves}

B29C2045/524 (Flexible valves) appears on 2 US grants and 1 published applications in this corpus.

Search patents in B29C

Where it sits

  1. BPerforming operations
  2. B29Working of plastics
  3. B29CShaping or joining of plastics
  4. B29C 45/00Injection moulding, i.e. forcing the required volume of moulding material through a
  5. B29C 45/17Component parts, details or accessories
  6. B29C 45/46Means for plasticising or homogenising the moulding material or forcing it into
  7. B29C 45/47Using screws
  8. B29C 45/50Axially movable screw
  9. B29C 45/52Non-return devices
  10. B29C 2045/524Flexible valves
Granted patents
2
Published applications
1
Assignees
1
Inventors
4
Latest grant
1 Apr 2014

Filings by year

Granted patentsPublished applications
B29C 2045/524: granted patents and published applications per publication year
YearGranted patentsPublished applications
199010
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199500
199600
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200400
200500
200600
200700
200800
200900
201000
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201201
201300
201410

199020002014

By publication year. Applications have been published since 2001.

Recent patents

  • Device for producing plastic molded parts having a locking ring with a wear resistant material1 Apr 2014US 8,684,726 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
  • Seal for piston screws in plastics injection and extrusion apparatus30 Oct 1990US 4,966,539 A
  • Device for producing plastic molded parts and the use thereof10 May 2012US 2012/0114785 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.

Most cited

By later US patents
  • Seal for piston screws in plastics injection and extrusion apparatus19US 4,966,539 A1990
  • Device for producing plastic molded parts having a locking ring with a wear resistant material2US 8,684,726 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. · 2014

Top assignees

Documents
  • FGFraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.2

Often classified with

  • B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding2
  • Y10TTechnical subjects covered by former us classification1

Documents that also carry the other class.

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