CH550683A - GROOVE AND SPRING CONNECTION BETWEEN THE DECK AND THE BOAT HULL OF A PLASTIC BOAT HULL. - Google Patents
GROOVE AND SPRING CONNECTION BETWEEN THE DECK AND THE BOAT HULL OF A PLASTIC BOAT HULL.Info
- Publication number
- CH550683A CH550683A CH302872A CH302872A CH550683A CH 550683 A CH550683 A CH 550683A CH 302872 A CH302872 A CH 302872A CH 302872 A CH302872 A CH 302872A CH 550683 A CH550683 A CH 550683A
- Authority
- CH
- Switzerland
- Prior art keywords
- boat hull
- deck
- groove
- spring connection
- plastic
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/58—Snap connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
- B29C66/1242—Tongue and groove joints comprising interlocking undercuts
- B29C66/12421—Teardrop-like, waterdrop-like or mushroom-like interlocking undercuts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
- B29C66/1242—Tongue and groove joints comprising interlocking undercuts
- B29C66/12423—Dovetailed interlocking undercuts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
- B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
- B29C66/12449—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue being asymmetric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
- B29C66/1246—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
- B29C66/12461—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being rounded, i.e. U-shaped or C-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
- B29C66/1246—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
- B29C66/12463—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being tapered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/542—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
- B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B5/00—Hulls characterised by their construction of non-metallic material
- B63B5/24—Hulls characterised by their construction of non-metallic material made predominantly of plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3044—Bumpers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3067—Ships
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2111257A DE2111257B2 (en) | 1971-03-09 | 1971-03-09 | Tongue and groove connection between the deck and the hull shell of a plastic hull |
Publications (1)
Publication Number | Publication Date |
---|---|
CH550683A true CH550683A (en) | 1974-06-28 |
Family
ID=5800969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH302872A CH550683A (en) | 1971-03-09 | 1972-03-02 | GROOVE AND SPRING CONNECTION BETWEEN THE DECK AND THE BOAT HULL OF A PLASTIC BOAT HULL. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3811141A (en) |
AT (1) | AT323592B (en) |
CH (1) | CH550683A (en) |
DE (1) | DE2111257B2 (en) |
FR (1) | FR2129549A5 (en) |
GB (1) | GB1383237A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2738944C2 (en) * | 2019-02-27 | 2020-12-18 | Александр Александрович Тараненко | Method of t-like connection of three-layer ship structures from polymer composite material and obtained by this method connection unit |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4021874A (en) * | 1973-04-18 | 1977-05-10 | Coast Catamaran Corporation | Boat hull |
FR2509685A2 (en) * | 1976-08-17 | 1983-01-21 | Sodistra | Boat for navigating rivers - has hull bottom and side panels of cellular plastics material coated with stratified plastics |
US4094027A (en) * | 1977-05-09 | 1978-06-13 | Vernon Eugene G | Interlocking two piece hull for a catamaran |
US4158082A (en) * | 1977-07-27 | 1979-06-12 | Bruce Belousofsky | Laminated ferro-cement structures and method of fabrication |
US4418634A (en) * | 1981-10-23 | 1983-12-06 | Gerbus Leo H | Marine float |
US4458623A (en) * | 1982-05-07 | 1984-07-10 | Skandinaviska Aluminium Profiler A.B. | Boat hull |
US4559891A (en) * | 1982-07-26 | 1985-12-24 | Shorter Jr Myron L | Pontoon |
AT382573B (en) * | 1983-01-24 | 1987-03-10 | Austria Metall | SHIP BODY |
DE3839805A1 (en) * | 1988-11-25 | 1990-05-31 | Gerhard Rambacher | Surfboard |
US5377613A (en) * | 1993-06-29 | 1995-01-03 | The Untied States Of America As Represented By The Secretary Of The Navy | Submersible boat |
US5738747A (en) * | 1994-12-19 | 1998-04-14 | Roamer Corporation | Method of manufacturing a recreational vehicle cabin |
US5556498A (en) * | 1994-12-19 | 1996-09-17 | Roamer Corporation | Method of manufacturing a recreational vehicle cabin |
US5743203A (en) * | 1996-04-03 | 1998-04-28 | Outboard Marine Corporation | Boat hull and deck assembly |
US6213042B1 (en) | 1999-03-01 | 2001-04-10 | Barry E. Delfosse | Small waterplane area multihull (SWAMH) vessel with submerged turbine drive |
US6470817B2 (en) | 1999-03-01 | 2002-10-29 | Barry E. Delfosse | Small waterplane area multihull (SWAMH) vessel |
US6170425B1 (en) | 1999-07-14 | 2001-01-09 | Hitech Ultralight Catamaran, Ltd. | Boat hull construction and method of making the same |
FR2809345A1 (en) * | 2000-05-24 | 2001-11-30 | Jean Michel Martinez | PROCESS FOR SOLIDARIZING THE ELEMENTS OF A REINFORCED RESIN HULL OF A FLOATING MACHINE |
US6394014B1 (en) | 2000-09-12 | 2002-05-28 | William L. Waldock | Marine vessel and method of manufacturing |
US20040005825A1 (en) * | 2001-01-10 | 2004-01-08 | Hasted Ronald Francis | Board-like sportscraft |
CN1745015A (en) * | 2002-11-30 | 2006-03-08 | 挪威船级社 | Vessel structures and structures in marine vessels |
US7112299B2 (en) | 2003-07-09 | 2006-09-26 | Michael Merrick | Systems and methods for fabricating composite fiberglass laminate articles |
US20060032422A1 (en) * | 2004-07-16 | 2006-02-16 | Mcdermott John M | Buoyant storage vessel |
US7521114B2 (en) * | 2005-06-09 | 2009-04-21 | Philadelphia University | Vandalism-resistant insulating panel for building exteriors and building having vandalism-resistant thermally insulative walls |
GB0521969D0 (en) * | 2005-10-28 | 2005-12-07 | Dow Corning | Joints for multi-component molded articles |
JP4858544B2 (en) * | 2007-09-11 | 2012-01-18 | 東レ株式会社 | Composite molded article and manufacturing method thereof |
SE532949C2 (en) * | 2008-05-26 | 2010-05-18 | Foersvarets Materielverk | Boat hull comprising two composite materials. |
US20110300766A1 (en) * | 2009-02-17 | 2011-12-08 | Lawrence Carbary | Silicone Gel Seal And Method For Its Preparation And Use |
US8931752B2 (en) * | 2010-09-23 | 2015-01-13 | Wallace Martin ROBERTS | Modular boat hull molds and method of making boat hulls using same |
CN102963493B (en) * | 2012-12-07 | 2015-07-08 | 山东大学 | Composite plastic boat body and compression molding method thereof |
CN104283168A (en) * | 2014-10-31 | 2015-01-14 | 向荣集团有限公司 | Efficient waterproof assembly for bus |
DE102016210664A1 (en) * | 2016-06-15 | 2017-12-21 | Bayerische Motorenwerke Aktiengesellschaft | Method for connecting two components and component arrangement |
US10513313B1 (en) * | 2018-12-12 | 2019-12-24 | Douglas R. Hunter | Foam core barge and method of assembly |
DE102019111888A1 (en) * | 2019-05-07 | 2020-11-12 | Robert Zimmermann | Floating support device |
WO2021071569A1 (en) * | 2019-06-05 | 2021-04-15 | Ohare Christopher Francis | Method and apparatus for improved handling and attachment of living sessile organisms to substrate and habitat enhancement |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK116117B (en) * | 1965-06-19 | 1969-12-08 | Lego Syst As | Model building set. |
US3291088A (en) * | 1965-10-24 | 1966-12-13 | Klose Hans-Peter | Multi-purpose boat |
US3364641A (en) * | 1966-10-12 | 1968-01-23 | John H. Brenneman | Floating spline seat |
US3435470A (en) * | 1967-08-07 | 1969-04-01 | Leo M Krenzler | Foam-filled boat hull |
US3511005A (en) * | 1968-01-22 | 1970-05-12 | Gordon Macmaster | Building construction |
US3524290A (en) * | 1968-06-18 | 1970-08-18 | Standard Products Co | Receiver for spline-type gaskets |
US3531809A (en) * | 1968-10-11 | 1970-10-06 | Larson Ind Inc | Plastic boat construction |
US3625808A (en) * | 1969-09-29 | 1971-12-07 | Martin Fireproofing Corp | Composite concrete and cement-wood fiber plank |
US3635280A (en) * | 1969-11-07 | 1972-01-18 | John T Parsons | Self-aligned multipart combustible casting pattern and method of making same |
US3634898A (en) * | 1970-04-23 | 1972-01-18 | Larson Ind Inc | Plastic boat construction |
US3701214A (en) * | 1970-12-22 | 1972-10-31 | Kyoikushuppan Co Ltd | Flexible, soft, foam resin assembling pieces |
-
1971
- 1971-03-09 DE DE2111257A patent/DE2111257B2/en not_active Withdrawn
-
1972
- 1972-02-29 GB GB934172A patent/GB1383237A/en not_active Expired
- 1972-03-02 CH CH302872A patent/CH550683A/en not_active IP Right Cessation
- 1972-03-07 AT AT188972A patent/AT323592B/en not_active IP Right Cessation
- 1972-03-08 US US00232829A patent/US3811141A/en not_active Expired - Lifetime
- 1972-03-09 FR FR7208215A patent/FR2129549A5/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2738944C2 (en) * | 2019-02-27 | 2020-12-18 | Александр Александрович Тараненко | Method of t-like connection of three-layer ship structures from polymer composite material and obtained by this method connection unit |
Also Published As
Publication number | Publication date |
---|---|
DE2111257A1 (en) | 1972-09-14 |
AT323592B (en) | 1975-07-25 |
FR2129549A5 (en) | 1972-10-27 |
GB1383237A (en) | 1975-02-05 |
US3811141A (en) | 1974-05-21 |
DE2111257B2 (en) | 1974-02-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH550683A (en) | GROOVE AND SPRING CONNECTION BETWEEN THE DECK AND THE BOAT HULL OF A PLASTIC BOAT HULL. | |
CH558211A (en) | SPRAY HEAD ON A PRESSURE VESSEL. | |
FI52304C (en) | Single-point mooring device for mooring and servicing a ship on the harbor. | |
IT959203B (en) | EQUIPMENT FOR THE ORIENTATION AND POSITIONING OF A PIECE SUCH AS A MARINE PROPELLER | |
BR7306633D0 (en) | IMPROVEMENTS IN SHIPS WITH LOAD TANKS INDEPENDENT OF THE TYPE OF PRESSURE, SUPPORTED ON CONTINUOUS HULLS | |
IT964826B (en) | FAST BOAT WITH PLANING HULL | |
CA950280A (en) | Boat mooring device | |
CH518830A (en) | Ship propeller with an annular nozzle | |
ES186365Y (en) | BOAT BODY. | |
ZA727587B (en) | A floating structure for the mooring of yachts and other similar craft | |
TR18364A (en) | CONNECTION ASSEMBLY FOR BARRELS SAILING ON THE OPEN SEA | |
YU132273A (en) | Device for moderating the wear of propeller exles of a ship | |
BE778664A (en) | BOAT MOORING DEVICE | |
SE394870B (en) | PNEUMATIC DECK WITH EXTRA THICK TURN | |
SU483824A3 (en) | Equipment for launching a lifeboat from the ship to the water | |
CA969039A (en) | Explosion-safe boat hull construction | |
SU506541A1 (en) | Dock tower | |
CA959716A (en) | Boat for stern fishing, without a ramp, with two decks | |
AU4731572A (en) | Boat hull | |
AU458188B2 (en) | An improved boat hull | |
NL168772B (en) | Device for the surface treatment of a ship's hull. | |
ES173960Y (en) | NEW CANOE TYPE PNEUMATIC BOAT. | |
BR7104503D0 (en) | MOORING FOR BOATS NEAR THE BEACH | |
CA949877A (en) | Underwater riser and ship connection | |
CA951641A (en) | Underwater riser and ship connection |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |