Device for antivibrational blocking of tubes of a heat exchanger
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 7, 1996
Grant Date -
N/A
app pub date -
Oct 18, 1994
filing date -
Oct 20, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The blocking device includes sets of antivibration bars (25, 25') interposed between layers of tubes (24) of the bundle of the steam generator, in the upper part of the bundle, termed the tube bend region. The antivibration bars (25, 25') include parts (25b, 25'b) which project with respect to the tube bend region, and the blocking device includes a linkage of the end parts of the antivibration bars, which include aligned openings. The linkage includes a screw (21) whose head (21a) bears on a first antivibration bar (25) and whose threaded rod (21b) is screwed into a spacer (22). The spacer (22) is fixed either in a second spacer or in a tapped fastening element (23), by a threaded part (22b). The threaded parts (21b) of the screw and (22b) of the spacer pass through the antivibration bars (25, 25') through aligned openings.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
FR | B1 | FR2711419 | Oct 20, 1993 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PATENT OF INVENTION (SECOND PUBLICATION) | Dispositif de calage antivibratoire de tubes d'un échangeur de chaleur et utilisation. | Feb 02, 1996 | |||
EP | B1 | EP0654636 | Oct 06, 1994 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
Patent | Dispositif de calage antivibratoire de tubes d'un échangeur de chaleur et utilisation | May 13, 1998 | |||
CN | C | CN1076462 | Oct 19, 1994 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT FOR INVENTION | Device for antivibrational blocking of tubes of a heat exchanger and use | Dec 19, 2001 | |||
KR | B1 | KR100358820 | Oct 20, 1994 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PATENT SPECIFICATION | 열교환기튜브의진동방지블로킹장치 | Feb 05, 2003 | |||
TW | B | TW279233 | Nov 05, 1994 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT OR PATENT OF ADDITION | Dispositif de calage antivibratoire de tubes d'un échangeur de chaleur et utilisation. | Jun 21, 1996 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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FRAMATOME | FRANCE FAVERGES HAUTE-SAVOIE |
International Classification(s)

- 1994 Application Filing Year
- F22B Class
- 89 Applications Filed
- 41 Patents Issued To-Date
- 46.07 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Boula, Gerard | Corpeau, FR | 9 | 47 |
# of filed Patents : 9 Total Citations : 47 | |||
Valadon, Christian | Paris, FR | 7 | 25 |
# of filed Patents : 7 Total Citations : 25 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 3 Citation Count
- F22B Class
- 7.53 % this patent is cited more than
- 29 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
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Jun 02, 2008 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
May 07, 2008 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: May 07, 2008 |
May 07, 2008 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Nov 12, 2007 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Nov 07, 2003 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Nov 05, 1999 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Oct 31, 1998 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
May 07, 1996 | I | Issuance | |
Nov 04, 1994 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BOULA, GERARD;VALADON, CHRISTIAN;REEL/FRAME:007270/0531 Owner name: FRAMATOME, FRANCE Effective Date: Nov 04, 1994 |
Oct 18, 1994 | F | Filing | |
Jan 20, 1993 | PD | Priority Date |

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