Manufacturing method and manufacturing device for hollow part with branching portion
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 7, 2020
Grant Date -
Apr 20, 2017
app pub date -
Nov 14, 2014
filing date -
Mar 18, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for manufacturing a hollow part with a branch, including a resin filling step of filling a mold, the mold having a main cavity in which a hollowing piece is placed, and a branch cavity to communicate with the main cavity, in which a slide shaft is inserted to advance and withdraw, and that forms a branch pipe portion in an annular space between the branch cavity and the slide shaft, a step of forming a hollow main pipe portion by moving the hollowing piece to force excess resin out of the main cavity, and a shaft removing step of withdrawing the slide shaft to form a branch hollow portion, the hollow part with a branch being made of a resin and having the branch pipe portion integrally connected to the main pipe portion such that the main hollow portion and the branch hollow portion communicate with each other.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- B29C Class
- 4829 Applications Filed
- 3911 Patents Issued To-Date
- 80.99 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B29C Class
- 0 % this patent is cited more than
- 5 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 7, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 7, 2032 |
